I'm running on windows 10 and have java x64
I followed the link and put the log into pastebin.com, but I don't know what this means:
[B#448] 2019/08/23 09:54:47 [INFO] Console Mode Activated
[B#448] 2019/08/23 09:54:47 [SEVERE] java.lang.NoClassDefFoundError: com/sun/awt/AWTUtilities
[B#448] 2019/08/23 09:54:47 [SEVERE] at net.technicpack.ui.controls.installation.SplashScreen.<init>(SplashScreen.java:84)
[B#448] 2019/08/23 09:54:47 [SEVERE] at net.technicpack.launcher.autoupdate.TechnicRelauncher.buildUpdaterTasks(TechnicRelauncher.java:108)
[B#448] 2019/08/23 09:54:47 [SEVERE] at net.technicpack.autoupdate.Relauncher.runAutoUpdater(Relauncher.java:97)
[B#448] 2019/08/23 09:54:47 [SEVERE] at net.technicpack.launcher.LauncherMain.main(LauncherMain.java:198)
[B#448] 2019/08/23 09:54:47 [SEVERE] Caused by: java.lang.ClassNotFoundException: com.sun.awt.AWTUtilities
[B#448] 2019/08/23 09:54:47 [SEVERE] at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
[B#448] 2019/08/23 09:54:47 [SEVERE] at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
[B#448] 2019/08/23 09:54:47 [SEVERE] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
[B#448] 2019/08/23 09:54:47 [SEVERE] ... 4 more
[B#448] 2019/08/23 09:54:47 [SEVERE] Unhandled Exception in Thread[main,5,main]
java.lang.NoClassDefFoundError: com/sun/awt/AWTUtilities
at net.technicpack.ui.controls.installation.SplashScreen.<init>(SplashScreen.java:84)
at net.technicpack.launcher.autoupdate.TechnicRelauncher.buildUpdaterTasks(TechnicRelauncher.java:108)
at net.technicpack.autoupdate.Relauncher.runAutoUpdater(Relauncher.java:97)
at net.technicpack.launcher.LauncherMain.main(LauncherMain.java:198)
Caused by: java.lang.ClassNotFoundException: com.sun.awt.AWTUtilities
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 4 more