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Hey, make sure you’ve got the latest version of Java installed (preferably Java 8). Also try running the launcher as admin. If it still won’t open, check if your antivirus or Windows Defender is blocking it. Sometimes that’s the issue.

Hello, I had installed Technic Launcher but when i tried to open it it didnt work, i tried reinstall but nothing helped. I even tried to download warez but cannot install it either can anyone help please?

And it has absolutely nothing to do with the file and everything with you playing an old minecraft version (<1.8) on a more recent Intel cpu. We have an explanation of this over at the Technic Support discord.

Ah, that’s super frustrating had the same thing happen on my brother’s PC. What ended up working for us was deleting the `.technic` folder in the user directory and doing a fresh reinstall after that. Also, double-check GPU drivers just in case. Worth a shot!

Trying to get the launcher working on my wife's computer and it keeps freezing on the Technic logo. It's installed and working on my laptop just fine. We've reinstalled Java and the launcher, restarted the computer, run as administrator, run normally, turned the firewalls and anti virus off, and nothing is getting it passed the logo popping up, not even to the main launcher screen. Both Windows 11 Pro with latest updates as of time of this post. Hoping someone has had some luck with this? Thanks all!

I can't download the mod pack GTNH, it gives the following error

Trying to load up game, everything runs smoothly until I have the Technic Launcher opened and press play on Hexxit (it's not just hexxit this is across other mudpacks and servers) everything loads up perfectly fine except in the technic launcher console this pops up in yellow the first line and a darker color for the rest of the typing (vs everything else in white) [B#910] File version.json not found in C:\Users\Ashley\AppData\Roaming\.technic\modpacks\hexxit\bin\modpack.jar [B#910] Classpath: C:\Users\Ashley\AppData\Roaming\.technic\cache\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar C:\Users\Ashley\AppData\Roaming\.technic\cache\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar C:\Users\Ashley\AppData\Roaming\.technic\cache\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar C:\Users\Ashley\AppData\Roaming\.technic\cache\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar C:\Users\Ashley\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar C:\Users\Ashley\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar C:\Users\Ashley\AppData\Roaming\.technic\cache\net\technicpack\legacywrapper\1.2.1\legacywrapper-1.2.1.jar C:\Users\Ashley\AppData\Roaming\.technic\modpacks\hexxit\bin\modpack.jar C:\Users\Ashley\AppData\Roaming\.technic\modpacks\hexxit\bin\minecraft.jar The start screen still loads up and I'm able to select a server or create a world but it's all glitched out, the world, my person. I can walk around but it's not playable Please help, don't know what else to do. I've reloaded everything, redownloaded everything from java to launcher I have no idea what this "missing file" is

Hello, I’m experiencing an issue with the Technic Launcher. When I try to play a modpack and click "Join," the error shown in the attached photo appears. When this first happened, I tried downloading the offline 64-bit version of Java. I also tried using the newer version of Java, but regardless of which one I use, the same issue keeps occurring. When this happens, sometimes the game tries to open but doesn't, and other times the entire launcher closes unexpectedly.

You need to have set up an username for your java account AND make ABSOLUTELY sure you are using the right email. We've already had people swear up and down that they were using the correct one, yet then it turned out they were, in fact, not using the right email.

Hi, did you managed to get resolution to your issue? I'm having the same issue

I am facing the same problem.

When trying to add my account it says I have not purchased Minecraft Java, when I have

Apologies to bring this up after 3 years, but do you have the step by step fix to it? The links seems to not be working.

Once minecraft runs with the modpack i use it works until it says mod setup and then crashes

This worked for me thank you

EDIT: Fixed it by deleting the server and all profiles and setting it up fresh

Hey everyone, I just set up a new Minecraft server, but I can't break any blocks or place them. I can hit animals and villagers, and I can open chests, but I can't mine or destroy structures. Does anyone know what might be causing this? Any help would be appreciated! Thanks! Additional information: - I walked more than 50 blocks, in case the spawn point is blocked - I made sure I am in survival mode (but peaceful) Server is from GPortal, Launcher is Curseforge - I sucided several times, still no change - I made sure my character is OP

If anyone comes across this problem you likely installed the wrong java version. Go to this site https://www.oracle.com/java/technologies/javase/jdk17-archive-downloads.html and download Windows x64 Installer.

Having the same issue, did you figure it out?

Hey I'm struggling to download any modpacks including just base vanilla, whenever i do it does alot of installing before producing this error right at the end: https://pastebin.com/kRwHgx9j

I have a local Server running tekkit 2. when I try to backup it says: /backupsmod backup [19:32:49] [Server thread/INFO] [minecraft/DedicatedServer]: Started backup [19:32:49] [Server thread/INFO] [backups]: Starting backup [19:32:49] [Server thread/INFO] [backups]: Disabling world saving [19:32:49] [Backup Thread/INFO] [backups]: Flushing world data to disk [19:32:49] [Backup Thread/INFO] [backups]: Trimming old backups [19:32:49] [Backup Thread/INFO] [backups]: Creating backup [19:32:49] [Backup Thread/ERROR] [backups]: Backup failed java.nio.file.AccessDeniedException: backups\world\In-Progress\advancements at sun.nio.fs.WindowsException.translateToIOException(Unknown Source) ~[?:1.8.0_441] at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source) ~[?:1.8.0_441] at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source) ~[?:1.8.0_441] at sun.nio.fs.WindowsFileSystemProvider.implDelete(Unknown Source) ~[?:1.8.0_441] at sun.nio.fs.AbstractFileSystemProvider.delete(Unknown Source) ~[?:1.8.0_441] at java.nio.file.Files.delete(Unknown Source) ~[?:1.8.0_441] at silly511.backups.helpers.FileHelper.deleteDirectory(FileHelper.java:53) ~[FileHelper.class:?] at silly511.backups.helpers.FileHelper.cleanDirectory(FileHelper.java:44) ~[FileHelper.class:?] at silly511.backups.helpers.BackupHelper.backup(BackupHelper.java:57) ~[BackupHelper.class:?] at silly511.backups.BackupManager$BackupThread.run(BackupManager.java:223) [BackupManager$BackupThread.class:?] How do I fix this. thanks in advance

I keep trying to load up stoneblock 2 with 13 gbs of ram and it just won’t go past the 7/7 screen, anytime I click it just crashes. It doesn’t give me any sort of error code or anything. I’ve tried allocating 8gbs and it has the same result. Any help would be amazing and am willing to change text files if needed.

Hey, So I just downloaded the Technic Launcher hoping to install the Cobblemon Fury modpack and everytime I push the install button it looks like its downloading for like 2 minutes and then just stops with no error messages. Any ideas? Thank you [B#900] 2025/02/17 12:23:04 [INFO] Starting download of https://gravatar.com/avatar/bcd1fd52cf3c75e6226ffc2a591485a1b4da25e0dd74977825077f7127ba15af?s=60&d=retro, with 3 tries remaining [B#900] 2025/02/17 12:23:05 [INFO] Starting download of https://cdn.technicpack.net/platform2/pack-icons/552556.png?1631992549, with 3 tries remaining [B#900] 2025/02/17 12:23:05 [INFO] Starting download of https://cdn.technicpack.net/platform2/pack-icons/2001818.png?1739807951, with 3 tries remaining [B#900] 2025/02/17 12:23:06 [INFO] Starting download of https://cdn.technicpack.net/platform2/pack-icons/2001818.png?1739807951, with 3 tries remaining [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\1.21.1.json [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\minecraft.jar [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\glfw.dll [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\jemalloc.dll [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\jna9277079642382750002.dll [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\jna9277079642382750002.dll.x [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\lwjgl.dll [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\lwjgl_opengl.dll [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\lwjgl_stb.dll [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\natives\OpenAL.dll [B#900] 2025/02/17 12:23:06 [WARNING] Modpack cobblemon-fury tried to extract reserved file C:\Users\15307\AppData\Roaming\.technic\modpacks\cobblemon-fury\bin\version [B#900] 2025/02/17 12:23:07 [INFO] Starting download of https://mirror.technicpack.net/Technic/version/1.21.1/1.21.1.json, with 3 tries remaining [B#900] 2025/02/17 12:23:45 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 [B#900] 2025/02/17 12:23:45 [SEVERE] at java.util.ArrayList.rangeCheck(Unknown Source) [B#900] 2025/02/17 12:23:45 [SEVERE] at java.util.ArrayList.get(Unknown Source) [B#900] 2025/02/17 12:23:45 [SEVERE] at net.technicpack.minecraftcore.mojang.java.JavaRuntimes.getRuntimeForCurrentOS(JavaRuntimes.java:71) [B#900] 2025/02/17 12:23:45 [SEVERE] at net.technicpack.minecraftcore.install.tasks.EnsureJavaRuntimeManifestTask.runTask(EnsureJavaRuntimeManifestTask.java:86) [B#900] 2025/02/17 12:23:45 [SEVERE] at net.technicpack.launchercore.install.tasks.TaskGroup.runTask(TaskGroup.java:85) [B#900] 2025/02/17 12:23:45 [SEVERE] at net.technicpack.launchercore.install.InstallTasksQueue.runAllTasks(InstallTasksQueue.java:49) [B#900] 2025/02/17 12:23:45 [SEVERE] at net.technicpack.launchercore.install.ModpackInstaller.installPack(ModpackInstaller.java:42) [B#900] 2025/02/17 12:23:45 [SEVERE] at net.technicpack.launcher.launch.Installer.lambda$internalInstallAndRun$0(Installer.java:122) [B#900] 2025/02/17 12:23:45 [SEVERE] at java.lang.Thread.run(Unknown Source) [B#900] 2025/02/17 12:23:45 [INFO] Starting download of https://cdn.technicpack.net/platform2/pack-icons/2001818.png?1739807951, with 3 tries remaining [B#900] 2025/02/17 12:23:50 [INFO] Attempting to open C:\Users\15307\AppData\Roaming\.technic\logs [B#900] 2025/02/17 12:23:50 [INFO] Using file:/C:/Users/15307/AppData/Roaming/.technic/logs/ [B#900] 2025/02/17 12:23:50 [INFO] Intermediary path file:///C:/Users/15307/AppData/Roaming/.technic/logs/

Ive just came back after a break and cant seem to download any of my pixelmon and cobblemon packs. Does anyone know why this is happening? Thank you

@Jimbo76Youre such a goat, fr just saved my whole week of pure grind an fun!!! I just got the king mod spawn egg, didnt even hatch, just saw it and it broke. Such a goat man