All right I'm going to make this stupid simple to understand since simple English is not any more. Minecraft just started to crash after some time of Ubuntu not being used. This is the error information the Launcher gives me.
```-- System Details -- Details: Minecraft Version: 1.8.7 Operating System: Linux (amd64) version 3.16.0-43-generic CPU: 2x Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz Java Version: 1.8.0_45, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 28908808 bytes (27 MB) / 154734592 bytes (147 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 Launched Version: 1.8.7 LWJGL: 2.9.4 OpenGL: Gallium 0.4 on NV84 GL version 1.4 (3.0 Mesa 10.3.2), nouveau GL Caps: Using VBOs: No Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Resource Packs:  Current Language: ~~ERROR~~ NullPointerException: null Profiler Position: N/A (disabled)