Currupt Installs
If you experience a currupt install of your game try a reinstall or update any hardware devices you have on your computer.
Patching
Normally when you experience anything major in a game: a graphics problem for example, try updating your game with any patches from the games offical website. You can alternativly try to update your graphics card drivers.
http://www.nvidia.co.uk
http://www.ati.com
etc.
Uninstalling- System Restore,
- Safe Mode (Must be logged on as an Administrator)
- Return the computer to its last known good configuration
For system restore you
NEED to disable you Anti - Virus software as it protects certain files. Remember do this
BEFORE you make a restore.
Safe Mode is the safest way to uninstall software from your PC. You need to be logged in as an
Administrator to perform this task. When you restart your PC just keep hitting F8 untill the safe mode menu appears.
Return the computer to its last known good configuration - This is an option with in the safe mode menu.
Other Hardware
If you just have a problem with an internal or external device, a motherboard for example try updating the drivers for that hardware.