Hi there,
well my problem is my pc restarts itself while playing games. I have sent error reports in and the message i get from MS is as follows.

Error type : Windows stop error (A message appears on a blue screen with error code information)
Solution available? : No (see Next steps)
What does this error mean? : Windows has encountered an error from which it cannot recover and needs to restart
Cause : Unknown device driver
Computer symptoms : A message appears on a blue screen with error code information (for example: e.g. 0x0000001E, KMODE_EXCEPTION_NOT_HANDLED)
Additional steps for you to take : Important: Please continue to send error reports so analysts at Microsoft can study and try to correct the problem as quickly as possible

Information about this error

You received this message because a device driver installed on your computer caused the Windows operating system to stop unexpectedly. This type of error is referred to as a "stop error." A stop error requires you to restart your computer.

Next steps

We have analyzed your error report and at this time are unable to determine the exact cause of the error. However, Microsoft will continue to analyze this error report to try to determine the specific cause of the error. If we are able to find the cause and correct it, and you encounter the same problem, you will receive an updated response that includes instructions for resolving the problem.