Maintain your hard drive by performing these steps at least monthly in this order:

1. Delete all files and folders with dates older than one
month from C:\Windows\Temp.

2. Delete your browser's history and internet cache files.

3. Run ScanDisk: Select the Standard radio button and
enable Automatically Fix Errors. Click on Advanced
and under Log File, pick replace log; for cross-linked
select delete; click free under lost file fragments;
under check files for, check "invalid dates and times"
and disable "check host drive first," unless you've
compressed your hard drive.

4. Empty the recycle bin.

5. Run Defrag.