Проблема не решилась. Но добавилась новая проблема при попытке запуска
Launcher Agent
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
GravitLauncher (fork sashok724's Launcher) Client Launcher v5.0.11-1 beta
2020.01.12 19:53:42 [INFO] Setting up script engine bindings
2020.01.12 19:53:42 [WARN] Using noGuard interface
2020.01.12 19:53:44 [INFO] 25.211-b12
2020.01.12 19:53:45 [INFO] DirWatcher C:\Games\GrandGear\updates\asset1.7.10
2020.01.12 19:53:45 [INFO] DirWatcher C:\Games\GrandGear\updates\GrandMagic
Exception in thread "main" java.lang.SecurityException: Forbidden modification: 'GrandMagic'
at pro.gravit.launcher.MIneCraftrZi4a.miNeCraFt9tS2v(Unknown Source)
at pro.gravit.launcher.MIneCraftrZi4a.main(Unknown Source)
вчера всё работало хорошо, но сегодня просто не запускается.Пробовал переустановить Java, удалив старую версию, не помогло. В режиме отладки пишет
Error occurred during initialization of VM
Could not reserve enough space for object heap
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
Exit code 1