Hello when i start up Toribash the text doesnt show up and in the login screen its allot of text like this: KKKKKKKK GGGGGGG like that.

I tried to reinstall the game three times but it didnt work.

the Toribash version is 3.91
Im using Windows 7
1 GB RAM
2.80 GHz
64-bits operating system
and it is a Dual Core Prosscesor

Please help me

That's most likely a graphics driver fault. Update them as this guide explains.