How's your computer's memory? Failing RAM might cause the computer to freeze or reboot unexpectedly. Or your programs might save corrupted documents.

So it is important to test your computer's memory. After downloading this file, save the file to a CD for booting.

You can also download a small program that will do this step for you. Then you can find out if a bad RAM module is the root of your problem.

Memtest86 offers a great way to test your computer's memory.

Cost: Free

Link: www.memtest.org