Minecraft Forums

Errors is here :

-- System Details --
Details:
Minecraft Version: 1.12.1
Operating System: Windows 10 (x86) version 10.0
Java Version: 1.8.0_144, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 47912056 bytes (45 MB) / 150876160 bytes (143 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.12.1
LWJGL: 2.9.4
OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
GL Caps:
Using VBOs: Yes
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)
CPU: <unknown>

How to fix it?

Try to install it a different way on Minecraft.net Like Linux or something like that. That's what helped me.

Post the entire crash report instead of just the part that you think is important.