error while running launchminecraft java.lang.nullpointerexception

Question

Problem :

Whenever i try to log in to a minecraft server i get bellow error message:

error while running launch minecraft java.lang.nullpointerexception    

Answer 1

To solve your problem please follow bellow steps:

1. Search for CMD and run it as administrator
2. Type in the bar: netsh winsock reset
3. The problem should be fixed!
4. If it still doesn't work then please try to contact Mojang the creators of Minecraft

Further Readings:

https://bugs.mojang.com/browse/MCL-450