The compiler setup is invalid..?? What i do now??

Question

setup

Answer 1

Reinstall lol.
If it doesn't help, switch IDEs.

Answer 2

Give more details about your actions like which compiler are you talking about where did you download from and what is the EXACT error message that you are getting?

Answer 3

Always poking fun at the questions aren't you? I agree that most questions here make no sense/are very repetitive though.