1. Open the 'Start' menu.
2. Navigate to 'All Programs,' then 'Accessories,' and finally 'System Tools.'

3. Click on 'System Restore.' This will open the System Restore program.
4. Select 'Restore my computer to an earlier time, and click 'Next.'
5. Find a restore point on a date that fell before the Win32api.dll error began.Select it, and click 'Next.'
6. Click 'Next' again. The process will begin and your computer will restart.