So, does anyone know whats up with that error:

test1.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

If you were in the middle of something, the information you were working on might be lost.
Please tell Microsoft about this problem.
We have created an error report that you can send to us.
We will treat this report as confidential and anonymous.
To see what data this error report contains, click here.

hehehe. Just sorted it out. I feel like such an idiot. In case anyone wanted to know, i put opengl32.dll in c:\windows\system, but it should have been in c:\windows\system

thanks for your help guys.