failed to load shader

[Blinker.]

hello folks ,

idk if i'm posting in the right section but here is my problem,

i changed things in coreconfig.xml , now i get failed to load shader like 10 times spaming in chat box when i join servers,also i can't open the scoreboard, i see only the black rectangle when i click tab

Thanks in advance

[ccw]

Please download and run MTADiag and follow the instructions. If MTADiag doesn't launch, please install Visual C++ 2012 runtimes (download and install vcredist_x86.exe) and try again.

Press 'n' when asked.

Post any Pastebin URL MTADiag gives you.