aviファイルを見るといきなり青い画面になって色々文字が出て
再起動されるんですが。

A problem has been detected and windouws has been shutdown to prevent damage to your computer.
If this is the first time you've seen this stop errorscreen.
restart your computer.If this screen appears again.
follow these steps:
Check to be sure you have adequate disk space,If a driver is identified in the stop message,
disable the driver or check with the manu facturer for driver updates.Try changing video adapters.
Check with your hardware vendor for any Bios updates.
Disable BIOS memory options such as caching or shadowing.
If you need to use Safe Mode to remove or disable components,restart your computer,press F8 to select Advanced Startup Opthions,and then select Safe Mode.

青い画面にはこう書いてました。これって何でしょう？