Multimc vs polymc. Launcher - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once . Multimc vs polymc

 
Launcher - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once Multimc vs polymc  #3475

To associate your repository with the multimc topic, visit your repo's landing page and select "manage topics. Growth - month over month growth in stars. What is the best minecraft launcher? These are the best Minecraft launchers for FPS and modding Minecraft!I go through each launcher such as Minecraft, Multi. 0' from the version dropdown. This is a fork of the MultiMC Launcher and not endorsed by MultiMC. Recent commits have. Recent commits have higher weight than older. PolyMC is given access to all your Xbox Live profile information, including your gamertag, your friends list, etc. For the time being until MultiMC figures out if they can work out the API TOS thing, on the site they mention to use Feed the Beast App and download CurseForge modpack (for those that don't know, you can manually download the modpack by going to Files > clicking the name of the file again > and the download will pop up, not just the CurseForge app. Please understand that these builds are not intended for most. After MultiMC dropped support for third-party packaging,. However, they're now taking very significant measurements to make their client far better than MultiMC. The origins of PolyMC are plagued by controversy. No one was in charge at the beginning. Then move your files over from the current directory. In the end, we concluded that we will be moving on from our origins as a packaging-friendly fork of MultiMC. ago. . CurseForge is not safe. Now that MultiMC is open, navigate to the Folders tab located on the top menu bar, to the left of the Settings tab. Recent commits have higher weight than older. A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) (by PolyMC) #Minecraft #minecraft-launcher #polymc #CPP #Linux #fabricmc #Forge #modrinth #Qt #qt6 #quiltmc. As a result the MultiMC team have decided to burn bridges with PolyMC. • 2 yr. use prism launcher which is a fork of polymc which is a fork of multimc) it supports modpacks from nearly all launchers. 0 Java PolyMC VS ATLauncher ATLauncher is a Launcher for Minecraft which integrates multiple different ModPacks to allow you to download and install ModPacks easily and quickly. Source Code. At first, people built structures to protect against nocturnal monsters, but as the game grew, players worked together to create wonderful, imaginative things. Minecraft with Microsoft accounts. Prism, both the project, and the community surrounding it, descends directly from PolyMC, which was forked from the MultiMC project in late 2021. GDLauncher. MultiMC5-Cracked - Cracked MultiMC launcher. PolyMC in a terminal which will uninstall PolyMC but it won't delete any of your instances or saves etc. The best TLauncher alternative is Prism Launcher, which is both free and Open Source. PolyMC's inception is very controversial by its very nature. Or alternatively, right click > create instance. ATLauncher is a simple and easy to use Minecraft Launcher which contains 155 modpacks for you to choose from, as well as the ability to browse and install packs from other platforms including CurseForge, Modrinth and Technic. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. I care about MultiMC users, not users of any other launcher or tool. It is a fork of PolyMC, a fork of MultiMC. Source Code. 0, now available 12 Mar 2022 release. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. Click 'OK'. Playnite will update your library automatically upon launch, but you can go to Update Game Library > MultiMC/PolyMC to do so manually. 0. 1. lunar-client-qt - Lightweight launcher for lunar client . 12 and below support) A quick & dirty way to get Minecraft running via MultiMC on the Apple M1 with native performance. Learn all about the A17 Pro, A16 Bionic, R1, M1, M1 Pro, M1 Max, M1 Ultra, and M2 chips. 12. PolyMC. PolyMC is an Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods. An Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods. polymc. Within the in-game controls menu, you may need to change the "Mode" setting to. GDLauncher has ads+sponsors that really rub me the wrong way. #polymc #prismlauncher #multimc #ufakbilgiler #oyunvebilgi #oyun #bilgi Pri. Not related to original developers PolyMC - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) . PolyMC - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) . The origins of PolyMC are plagued by controversy. Special cases # Forge 1. They also make it very easy to put forge/fabric on any instance for any version, and adding mods is. 這才造成了這幾天 MultiMC 無法獲取資料下載模組/模組包 (新版已經拔掉支援, 而舊版嘗試連到已經停止服務的 CurseMeta 所以也壞了) ==== 說起這個未能使用好像可以講很長一篇故事 不過因為我也只有昨天半夜簡單搜了個一兩小時所以應該也不是全貌 我的. Just manually download the modpack as a zip (you may have to click on the name of the file you want a couple times for the option to appear, do not click the Twitch "Install" option) then go to MultiMC -> Add Instance -> Import from Zip -> Browse and point it to the zip you just downloaded. Open in a separate window the instance of FTB Interactions in FTB App. Polymc is still good, just use multimc meta server and turn off auto update if you don't trust developers anymore. Prism vs GDLauncher. Focused on user freedom and free redistributability. In our upcoming 1. It does, however, it does require you to login to your Microsoft account once first. Once you picked which one you like it iirc downloads the java something I dont know. Stars - the number of stars that a project has on GitHub. PolyMC translations. Recent commits have higher weight than older. 18 vanilla): I cannot close that message without destroying multimc in the task manager. Lunar-Client-Lite-Launcher - A lightweight and. LibHunt Trending Popularity Index About Login. In desktop mode, go to your steam library, and select the PolyMC Non-Steam Game. Let's move on from this. 12 comes after a year of maintenance and development work by various contributors, with some big enhancements thanks to additional mod platform support. Recent commits have. BladePLv1. Prism Launcher is open source, so yes. Activity is a relative number indicating how actively a project is being developed. So why not take a look at the different packs that are available or just download ATLauncher and give a try yourself. To set up a Quilt instance with MultiMC, follow these steps: Open MultiMC, follow the setup steps and click on the Add Instance button at the top of the window. Download v1. While you wait for a reply, consider checking this wiki page to see if the extension you are having issues with has a troubleshooting page to help you. Second, PolyMC offers you to download mods from curseforge and modrinth. What appears to go underreported is the raiding/griefing done against PolyMC in the wake of that decision. 20, I dont need to pull out the 1. Soften up restrictions for API access to 3rd party. just bypass anything that might generate revenue that can pay for all of these things that. Recent commits have higher weight than older. If you want to read about why this fork was created, check out our FAQ page . For Minecraft 1. Click the version number you need in the MultiMC (auto-update) section. Posts with mentions or reviews of PolyMC . This also includes manually downloaded zips of the modpacks from Curse, they are now unrecognized container formats from the looks of it. If you ran MultiMC with admin/elevated permissions beforehand when "it worked before" and you run it now of course it won't be able to write. Custom icons and. ago. In short, the original founders of PolyMC had disagreements with the maintainer of MultiMC and the project's direction. 14 projects |. Stars - the number of stars that a project has on GitHub. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. its integrated with curse so all the dependencies are automatically downloaded for you, the mod list to. Sodium is the best client-side optimisation mod available at the moment, and we highly recommend installing it when possible. PrismLauncher is the spiritual successor that's still getting updates. GDLauncher can actually download the mods that have been blocked by 3rd party launchers on CurseForge. jar) and confirm. They also dont allow downloading from curseforge last time I checked. I care about MultiMC users, not users of any other launcher or tool. InfluxDB. Stars - the number of stars that a project has on GitHub. There's a search function for adding modpacks from FTB, CurseForge, ATLauncher and Technic, as well. GDLauncher - GDLauncher is a simple, yet powerful Minecraft custom launcher with a strong focus on the user experience. [deleted] • 6 mo. Portable dev-builds are also provided; for both Windows and Linux. The old MSA client ID got deleted by the previous maintainers, if you want to continue using PolyMC until there is an update changing the default Client ID to a. See the MultiMC/MultiMC (auto-update) guide for help installing it. Now, wait for it to compile. MultiMC is a custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once. Recent commits have higher weight than older. Source Code. mod updating. This thread is archived. Prism is a fork of PolyMC which itself was a fork of Multimc. Launcher - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once . Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars. Growth - month over month growth in stars. While open it uses like 30mb of ram. Second, PolyMC offers you to download mods from curseforge and modrinth. 12 and then modded 1. Similar to creating an Instance, downloading a modpack can be done through the Add Instance menu. 1. PolyMC ile alakalı baya bir dedikodu çıktı. PrismLauncher - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) . ago. Growth - month over month growth in stars. Stars - the number of stars that a project has on GitHub. I also used GDL, and I suggest you wait for the next major PolyMC update before switching, as that is planned to add mod updating which is one of GDL's most useful features. ago. I saved them in my Downloads folder, which will have the path of /home/deck/Downloads. Growth - month over month growth in stars. it easy to set it to use the same folders as multimc. While originally being forked over packaging/redistribution concerns, Prism Launcher brings. There is a fork of MultiMC called UltimMC, but recently its support for curseforge and FTB modpacks have been disabled. 0 and higher started using Qt 6 by default on Windows, which does not support Windows 7 and Windows 8. I use PolyMC (same as MultiMC) with offline account, but account need to be created manually. In order to transfer an instance, or multiple instances from MultiMC to PolyMC, you must begin the process by opening MultiMC on your computer. Nothing has changed. The " Import from zip " option assumes that you have manually downloaded a modpack to your. Curseforge Launcher. PolyMC - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) lunar-client-qt - Lightweight launcher for lunar client GDLauncher - GDLauncher is a simple, yet powerful Minecraft custom launcher with a strong focus on the user experienceIn your Playnite add-on settings, go to Extension settings > Libraries > MultiMC/PolyMC, and set the path to your MultiMC or PolyMC installation folder. org website. then use mulitimc to run. OpenAsar - Open-source alternative of Discord desktop's app. Is this a result of that whole fiasco with MultiMC and the open source community or is this just my Java configuration being goofed up or something? I have OpenJDK12 and I have it added to the PATH variables on my machine, I don't know what else is needed in this scenario. PrismLauncher - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC)Forge is easier to make mods on. Lunar-Client-Lite-Launcher - A lightweight and unlocked launcher for Lunar Client. Prism allows multiple 1-click . PolyMC development progress is quite crippled right now and it will probably take a long time to recover. The polymc. PolyMC. If you play on Linux, PolyMC is my preferred launcher because it's available via flatpak. If you want to read about why PolyMC was created, check out PolyMC's FAQ page. Recent commits have higher weight than older. Note: Although the PolyMC binary is universal, old versions of Minecraft still run on Rosetta. I think PolyMC gets around the 3rd party download block by opening those few projects in a web browser for the player to manually click the download button. Make a new instance in MultiMC with the wanted version of Minecraft. And yes it can replace those launchers, it supports modpacks. this version is still being updated to this day. Some people got mad, something happened with arch users, and some community members took the app and made polyMC. Select 'TNP Limitless 6 - LL6' from the search results. There's also ATLauncher, GDLauncher, and PolyMC itself was a fork of MultiMC. 1. The origins of PolyMC are plagued by controversy. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. Lunar-Client-Lite-Launcher - A lightweight and unlocked launcher for Lunar Client. For all real purposes, Prism Launcher is PolyMC under a new name. PolyMc is unique in that it operates on packet level. (I probably got this quote wrong, but the word leftoids was used) after other maintainers of the project pushed to add a code of conduct. MultiMC5 - A custom launcher for Minecraft that allows you. Select the newly created component and click Edit - this should open the file in a text editor. But each has special features and uses for modded Forge or. MultiMC, PolyMC and PrismLauncher all utilize a meta data server so that the clients know which jar files to download. Source Code. It also allows you to easily install and remove mods by simply dragging and dropping. PolyMC is a custom launcher for Minecraft that focuses on predictability, long term stability and simplicity. Left-click on the tab and select the View Instance Folder option. Scrumplex added this to the 6. by support and allows you to use offline mode without an account. Tl;dr PrismLauncher is the active one currently and PolyMC would probably stuck with the current state for a while. LibHunt C++ /DEVs. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. Make sure you know how to Create an Instance before attempting to download mods. For people like me that are hard into modding, this means if I want to play modded 1. Stars - the number of stars that a project has on GitHub. Source Code. No way around that if you want to do online play. 4. (Fork of MultiMC) (by PolyMC) #Minecraft #minecraft-launcher #polymc #CPP #Linux #fabricmc #Forge #modrinth #Qt #qt6 #quiltmc. 20 mods, their. jwaxy01 • 1 yr. Stars - the number of stars that a project has on GitHub. It was forked from MultiMC because the PolyMC community felt that the maintainer of MultiMC was not acting in the spirit of free software by disallowing third-party packaging efforts. PolyMC is the launcher that started this controversy by kicking out its entire dev team, stagnating its own development and getting itself removed from FlatHub, AUR, etc in the process. 00:00 PolyMC - Should be uninstalled, banned by Mic. multimc can no longer import modpacks from curseforge or ftb, prism launcher can. 08 Sep 2022 release. Focused on user freedom and free redistributability. Some already have: PolyMC 1. 2. Growth - month over month growth in stars. it's fine. Activity is a relative number indicating how actively a project is being developed. Frankly, I think I'm usually the worst "naysayer" when it comes to MultiMC on this sub, and my complaints are that it requires you to put your Mojang log-in credentials in a not-mojang text box (IMO, an unnecessary security risk, no matter how low the chances or trustworthy the mojang. What enhancements does PrismLauncher…. And yes it can replace those launchers, it supports modpacks. This info is always available in the latest. #. Within the in-game controls menu, you may need to change the "Mode". I use Prism Launcher is a fork from Multimc and it's great is the only one i recommend, the only thing i can argue is this launcher need modpack version control and mod updates. Stars - the number of stars that a project has on GitHub. by support and allows you to use offline mode without an account. ago. Atlauncher and prismlauncher (formerly polymc, formerly multimc) are the best. 4. ago. 0 282 278 (4 issues need help) 10 Updated 4 days ago. MultiMC is an alternative launcher for Minecraft. This is one of the rules we have in servers because we are trying to push people to use exclusive Curseforge instead of third parties programs. PollyMC. I am using arch linux not Windows. This article serves as a write-up for the vulnerabilities, and the affected versions. Lies were spewed about malicious code to scare people off. PolyMC has an even worse dev, ranting over wokeness and kicked all the actual devs from the project, PrismLauncher is where all the actual devs went to make their own launcher leaving PolyMC to do whatever it is going to do. 0 C++ MultiMC5-arm64. c. MultiMC is already pretty feature-filled, and practically the go-to for Minecraft modding for a lot of people thanks to it being free and open source, plus it's really easy to use. An Open Source Minecraft launcher with the ability to manage multiple instances, accounts. Set uid to optifine. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. I use PolyMC (same as MultiMC) with offline account, but account need to be created manually. Right-click at the top, and select Set Custom Background. After using Twitch launcher and now Curseforge and GDLauncher for modding Minecraft, MultiMC's interface looks too clunky compared to GDLauncher and Curseforge's launcher. I think it started because the devs of multiMC had issues with people putting their app on the arch user repository. Source Code. From here, you will need to decide on which mod loader you would like to use. PolyMC hard forked mainly to allow them to better maintain linux-oriented packaging. ago. 4 1,730 6. I have successfully used this account before many times in both MultiMC and PolyMC without issue, it was only today I received the message for the first time. . PolyMC vs MultiMC5. It has all the same features as PolyMC and is being actively worked on. mods, configs, and etc. Always. Stars - the number of stars that a project has on GitHub. Iris - (WIP) A modern shaders mod for Minecraft intended to be compatible with existing OptiFine shader packs. . I had to hardlink the config, and point the installer at ~/. To disable this, open Settings, then select Minecraft, and finally, un-check Close PolyMC after game window opens or check Quit the launcher after game window closes. Compare PolyMC vs PrismLauncher and see what are their differences. Discussion. PolyMC. An Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods. This is basically RCE by design. Lunar-Client-Lite-Launcher - A lightweight and unlocked launcher for Lunar Client. The steam deck should have zero problems even with. 411. While originally being forked over packaging/redistribution concerns, PolyMC brings new and exciting. To comply with PolyMC's licensing, this launcher was rebranded to ManyMC. Not sure if that's the issue or not though, but I'd recommend switching either way. Recent commits have higher weight than older. PolyMC is a fork of of MultiMC. To install in PolyMC, create an instance with the Fabric (or Quilt) loader, and then go to the Mods tab and click Download Mods. lunar-client-qt - Lightweight launcher for lunar client . The problem with multimc and the reason of the PolyMC fork is that MultiMC is owned by somebody who sees open source contributions as free work for his own benefit and he wants to be the only person/legal entity to be able to distribute binaries. 4. local/share/PolyMC. Just run the PrismLauncher installer and set it up on your device, then you can add any pack from curseforge through the big “Add instance” button. Activity is a relative number indicating how actively a project is being developed. asar ferium - Fast and multi-source CLI program for managing Minecraft mods and modpacks from Modrinth, CurseForge, and GitHub Releases Prism Launcher is a free, open-source launcher for modded Minecraft. Follow their code on GitHub. Activity is a relative number indicating how actively a project is being developed. Recent commits have. PolyMC - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) . MultiMC is an alternative launcher for Minecraft. From my experience yeah in a way that when you downloaded the launcher and opened it the splash for the launcher and its features like picking which Minecraft version (basically picking like which java i. Automatic Installation may only work using the latest releases of Vivecraft and MultiMC 0. In case you hadn’t caught up on the news, the founder of PolyMC – a popular Minecraft launcher – was exerting toxic behavior towards the other developers and to the project itself. its just so easy to download like 50 mods in like 5 minutes and have a fully functional modpack. If you are comfortable and trust PolyMC, then you can click on the More info button, and then do the same on the Run anyway one too. For the time being until MultiMC figures out if they can work out the API TOS thing, on the site they mention to use Feed the Beast App and download CurseForge modpack (for those that don't know, you can manually download the modpack by going to Files > clicking the name of the file again > and the download will pop up, not just the CurseForge app download), then import the Zip file (this will. A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) (by PolyMC) #Minecraft #minecraft-launcher #polymc #CPP #Linux #fabricmc #Forge #modrinth #Qt #qt6 #quiltmc. A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) (by PolyMC) The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. 2 Apple-Silicon-Guide - Apple Silicon Guide. (Fork of MultiMC) (by PolyMC) #Minecraft #minecraft-launcher #polymc #CPP #Linux #fabricmc #Forge #modrinth #Qt #qt6 #quiltmc. GDLauncher. Import MultiMC instances into Playnite. In the end, we concluded that we will be moving on from our origins as a. In this video, I will be talking about what MultiMC is, and what makes it in my opinion the best Minecraft launcher. The message warns users against using the popul. BladePLv1. true. PolyMC is a custom launcher for Minecraft that was forked from MultiMC. 0 C++ Launcher VS PolyMC A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) InfluxDB. Growth - month over month growth in stars. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. If you are comfortable and trust PolyMC, then you can click on the More info button, and then do the same on the Run anyway one too. Polymc devs updated the code of conduct to cover anti LGBT hate, one of the lead devs threw a tantrum, kicked out all of the other contributers and removed the code of conduct completely with a commit titled "reclaim polymc from the leftoids" After some drama with PolyMC, most of the team went on to create a fork currently known as Prism Launcher. 11 votes, 25 comments. Growth - month over month growth in stars. Select Vanilla from the list on the left, and pick the version of Minecraft you'd like to use for your instance. " Learn more. Source Code. OptiFine and name to OptiFine. The licensing still includes material from PolyMC, though. Its biggest advantage over MultiMC is that it does support modpack upgrades. Minecraft is a game about breaking and placing blocks. Stars - the number of stars that a project has on GitHub. The original fork was primarily a. PolyMC and Prism Launcher are not endorsed by. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. Creating an instance is easy, as is adding and removing mods. PolyMC. It is all open source and mostly the same but prism/polymc have more features at the moment. Add migration dialog #243. 109. Unfortunately, it seems a developer on the Minecraft launcher PolyMC went completely rogue and so for your own safety, you should remove PolyMC from all. Stars - the number of stars that a project has on GitHub. The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives. ftbainstances (random string) 6. 6. MultiMC5 A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft. This page reflects the contents of the instance's mods folder and is used for mods that loaders like Forge, Fabric, Quilt and LiteLoader can read and add to the game. New projects will automatically restrict them to curseforge only, and. A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) (by PolyMC) #Minecraft #minecraft-launcher #polymc #CPP #Linux #fabricmc #Forge #modrinth #Qt #qt6. Select 'CurseForge' from the left-hand menu. I cannot afford the MultiMC codebase becoming unusable in other projects because of that. PolyMC - A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC) . Note. i have 150ms so i can use 3. 1. Wait a little bit and a window will pop up select all the files and folders you want to export so normally this will be config, mods, scripts, saves, resources, Journeymap etc then click OK. The PKGBUILD has also been changed as seen in the package's description to be complaint with AUR standards. Recent commits have higher weight than older. FTB-Modpack-Issues. If memory serves, polymc branched off multimc when it killed curseforge support after its api changes, and prism branched off that when the owner turned out to be a. multimc-pkgbuild - PKGBUILD for actually getting MultiMC on Arch. 1. A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once - Using the right Java · MultiMC/Launcher Wiki. Right-click at the top, and select Set Custom Background. Find the . Electron, Vue2, and Tailwind based frontend system for the FTB App; a new Modpack launcher for FTB and Curse modpacks. Editing an instance #. Mod updating will likely be delayed for release after as we are trying to get next release in scedule for the 20th when quilt will be in beta. powered by Junest. You can use multimc (which is what I use) and since the developer of multimc is the one who also makes the normal launcher, it should be supported. Interactive product tours and smart tips significantly improve your user retention. log file, but MultiMC makes it more accessible. Launcher - A custom launcher for Minecraft that allows you to easily manage multiple installations of. Help & Support. Stars - the number of stars that a project has on GitHub. We have used some of these posts to build our list of alternatives and similar projects. But I'm now actually hearing some not-so-good things about DW20 1. This is because with the new API, authors have the ability to restrict download of their mods/modpacks to CurseForge-affiliated clients. Oh thank u so much. 5 to 1. Launch the modpack and enjoy!PolyMC had a high-ranking dev start saying stupid stuff and kicking other devs out, so the rest forked the project and renamed it to Prismlauncher. Oct 20, 2022 @ 7:42am GDLauncher does the job quite nicely: I'm quite new to this non-console Minecraft world, but you need to run a controller mod to get it working natively on Deck (you probably know about this!). To disable this, open Settings, then select Minecraft, and finally, un-check Close PolyMC after game window opens or check Quit the launcher after game window closes.