Hi ande4905,
I am sorry you are having problems with the system but let me help you.
I would like to know more about your configuration. Can you please post the dxdiag report?
How to get it?
Dxdiag Report: Type dxdiag in Start Menu> open> Save> Copy/Paste here.
Also, can you please let me know what are the exact errors your are getting and what steps are you taking to reproduce the problem?