1. Click 'Start,' open 'All Programs,' open 'Accessories,' open 'System Tools' and open 'System Restore.'
2. Click on 'Restore my computer' for Windows XP or choose the option to 'Choose a different restore point' for Windows Vista or 7.

3. Select a date prior to the time when the error began occurring.
4. Press 'Next' to restore your system, eliminating the error.