Technic launcher not launching packs

[Dentista_SK]

Minecraft on original mojang launcher works fine, but on technic launcher wont open any packs (or vanilla). It just closes launcher for a second and opens again

 

heres log:
 

[B#617] OS: windows 10
[B#617] Identified as windows
[B#617] Java: 1.8.0_281 64-bit (amd64)
[B#617] minecraft.net resolves to [13.32.4.39, 13.32.4.51, 13.32.4.59, 13.32.4.44]
[B#617] session.minecraft.net resolves to [54.209.129.139, 18.214.139.70, 3.226.224.69]
[B#617] textures.minecraft.net resolves to [99.86.243.82, 99.86.243.28, 99.86.243.59, 99.86.243.24]
[B#617] libraries.minecraft.net resolves to [13.32.5.126]
[B#617] authserver.mojang.com resolves to [13.32.4.69]
[B#617] account.mojang.com resolves to [99.86.243.25, 99.86.243.79, 99.86.243.4, 99.86.243.22]
[B#617] technicpack.net resolves to [104.26.6.125, 172.67.70.48, 104.26.7.125]
[B#617] launcher.technicpack.net resolves to [75.126.39.75]
[B#617] api.technicpack.net resolves to [104.26.7.125, 172.67.70.48, 104.26.6.125]
[B#617] mirror.technicpack.net resolves to [75.126.39.75]
[B#617] solder.technicpack.net resolves to [172.67.70.48, 104.26.6.125, 104.26.7.125]
[B#617] files.minecraftforge.net resolves to [142.44.226.189]
[B#617] Don't need to inject new root certificates: Java 8 is 101+ (1.8.0_281)
[B#617] Starting download of https://minotar.net/helm/1e568ce9283f44b1b50e170f7ef73af7/100, with 3 tries remaining
[B#617] Starting download of https://www.gravatar.com/avatar/777da0eed8908835b1e9e08204f5beb2?s=60&d=retro, with 3 tries remaining
[B#617] Starting download of https://www.gravatar.com/avatar/4c9b9cd817e62d043070a821551c04f0?s=60&d=retro, with 3 tries remaining
[B#617] Starting download of https://www.gravatar.com/avatar/2a29f323eddf3410fb1b531b10f7df6f?s=60&d=retro, with 3 tries remaining
[B#617] Starting download of https://www.gravatar.com/avatar/07b1950664b5569324a88727516e761d?s=60&d=retro, with 3 tries remaining
[B#617] Starting download of https://www.gravatar.com/avatar/417979e451a4ed37c22f5340a9c3cd4a?s=60&d=retro, with 3 tries remaining
[B#617] Analytics Response [runLauncher]: 200
[B#617] Starting download of https://cdn.technicpack.net/platform2/pack-logos/735902.png?1547028753, with 3 tries remaining
[B#617] Starting download of https://cdn.technicpack.net/platform2/pack-backgrounds/735902.jpg?1547028753, with 3 tries remaining
[B#617] Starting download of https://cdn.technicpack.net/platform2/pack-icons/735902.png?1547028753, with 3 tries remaining
[B#617] Starting download of https://cdn.technicpack.net/platform2/pack-icons/735902.png?1547028753, with 3 tries remaining
[B#617] Running C:\Program Files\Java\jre1.8.0_281\bin\javaw.exe -Xms4096m -Xmx4096m -XX:+UseG1GC -XX:MaxGCPauseMillis=4 -Djava.library.path=X:\Technik launčer\modpacks\tekkit-legends\bin\natives -Dfml.core.libraries.mirror=http://mirror.technicpack.net/Technic/lib/fml/%s -Dfml.ignoreInvalidMinecraftCertificates=true -Dfml.ignorePatchDiscrepancies=true -Dminecraft.applet.TargetDirectory=X:\Technik launčer\modpacks\tekkit-legends -Duser.language=en -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -cp X:\Technik launčer\cache\net\minecraft\launchwrapper\1.12\launchwrapper-1.12.jar;X:\Technik launčer\cache\org\ow2\asm\asm-all\5.0.3\asm-all-5.0.3.jar;X:\Technik launčer\cache\com\typesafe\akka\akka-actor_2.11\2.3.3\akka-actor_2.11-2.3.3.jar;X:\Technik launčer\cache\com\typesafe\config\1.2.1\config-1.2.1.jar;X:\Technik launčer\cache\org\scala-lang\scala-actors-migration_2.11\1.1.0\scala-actors-migration_2.11-1.1.0.jar;X:\Technik launčer\cache\org\scala-lang\scala-compiler\2.11.1\scala-compiler-2.11.1.jar;X:\Technik launčer\cache\org\scala-lang\plugins\scala-continuations-library_2.11\1.0.2\scala-continuations-library_2.11-1.0.2.jar;X:\Technik launčer\cache\org\scala-lang\plugins\scala-continuations-plugin_2.11.1\1.0.2\scala-continuations-plugin_2.11.1-1.0.2.jar;X:\Technik launčer\cache\org\scala-lang\scala-library\2.11.1\scala-library-2.11.1.jar;X:\Technik launčer\cache\org\scala-lang\scala-parser-combinators_2.11\1.0.1\scala-parser-combinators_2.11-1.0.1.jar;X:\Technik launčer\cache\org\scala-lang\scala-reflect\2.11.1\scala-reflect-2.11.1.jar;X:\Technik launčer\cache\org\scala-lang\scala-swing_2.11\1.0.1\scala-swing_2.11-1.0.1.jar;X:\Technik launčer\cache\org\scala-lang\scala-xml_2.11\1.0.2\scala-xml_2.11-1.0.2.jar;X:\Technik launčer\cache\lzma\lzma\0.0.1\lzma-0.0.1.jar;X:\Technik launčer\cache\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;X:\Technik launčer\cache\com\google\guava\guava\17.0\guava-17.0.jar;X:\Technik launčer\cache\org\apache\commons\commons-lang3\3.3.2\commons-lang3-3.3.2.jar;X:\Technik launčer\cache\com\mojang\netty\1.6\netty-1.6.jar;X:\Technik launčer\cache\com\mojang\realms\1.3.5\realms-1.3.5.jar;X:\Technik launčer\cache\org\apache\commons\commons-compress\1.8.1\commons-compress-1.8.1.jar;X:\Technik launčer\cache\org\apache\httpcomponents\httpclient\4.3.3\httpclient-4.3.3.jar;X:\Technik launčer\cache\commons-logging\commons-logging\1.1.3\commons-logging-1.1.3.jar;X:\Technik launčer\cache\org\apache\httpcomponents\httpcore\4.3.2\httpcore-4.3.2.jar;X:\Technik launčer\cache\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;X:\Technik launčer\cache\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;X:\Technik launčer\cache\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;X:\Technik launčer\cache\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;X:\Technik launčer\cache\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;X:\Technik launčer\cache\com\paulscode\codecwav\20101023\codecwav-20101023.jar;X:\Technik launčer\cache\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;X:\Technik launčer\cache\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;X:\Technik launčer\cache\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;X:\Technik launčer\cache\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;X:\Technik launčer\cache\com\google\guava\guava\15.0\guava-15.0.jar;X:\Technik launčer\cache\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;X:\Technik launčer\cache\commons-io\commons-io\2.4\commons-io-2.4.jar;X:\Technik launčer\cache\commons-codec\commons-codec\1.9\commons-codec-1.9.jar;X:\Technik launčer\cache\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;X:\Technik launčer\cache\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;X:\Technik launčer\cache\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;X:\Technik launčer\cache\com\mojang\authlib\1.5.21\authlib-1.5.21.jar;X:\Technik launčer\cache\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;X:\Technik launčer\cache\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;X:\Technik launčer\cache\org\lwjgl\lwjgl\lwjgl\2.9.1\lwjgl-2.9.1.jar;X:\Technik launčer\cache\org\lwjgl\lwjgl\lwjgl_util\2.9.1\lwjgl_util-2.9.1.jar;X:\Technik launčer\cache\tv\twitch\twitch\5.16\twitch-5.16.jar;X:\Technik launčer\modpacks\tekkit-legends\bin\modpack.jar;X:\Technik launčer\modpacks\tekkit-legends\bin\minecraft.jar net.minecraft.launchwrapper.Launch --username Dr_Dentista_SK --version 1.7.10-Forge10.13.4.1492-1.7.10 --gameDir X:\Technik launčer\modpacks\tekkit-legends --assetsDir X:\Technik launčer\assets --assetIndex 1.7.10 --uuid 1e568ce9283f44b1b50e170f7ef73af7 --accessToken redacted --userProperties {} --userType mojang --tweakClass cpw.mods.fml.common.launcher.FMLTweaker --title Tekkit Legends --icon X:\Technik launčer\assets\packs\tekkit-legends\icon.png
[B#617]  Error: Could not find or load main class net.minecraft.launchwrapper.Launch
[B#617] Analytics Response [runModpack]: 200
[B#617] Starting download of https://cdn.technicpack.net/platform2/pack-icons/735902.png?1547028753, with 3 tries remaining
 

Okay, fixed. Im just a moron...

[JaariAtmc]

This was fixed on the discord server and had to do with the folder name.

[Kohi]

Can I ask you, how did you solve this problem? Because I have the same one. 

TY