Windows Vista includes a Memory (RAM) Diagnostic Tool that performs a scan of your computer's physical memory and may help identify any possible errors.

Using this tool will require a reboot so please save any documents you have open.

- Click Start.
- In the Start Search field type in Memory and hit Enter.
- The first option you see should say Memory Diagnostic Tool.
- Run the Memory Diagnostic Tool - A window will pop up asking you if you want to reboot and check for problems now or check for problems the next time you restart.
- If you choose to restart now, Vista will reboot into the memory diagnostic utility.