How to Fix a User32.dll Error

1. Click the 'Start' button and then 'Run.' This will open the 'Run' window.
2. Type in 'wupdmgr'. This will open Windows Update. It will now scan the computer to detect any necessary updates that are available from Microsoft.
3. Turn on automatic updates by clicking 'Start' again, followed by 'All Programs,' then 'Windows Update.'
4. Select 'Change Settings'; then select 'Include recommended updates when downloading, installing, or notifying me about updates.' Click 'OK' and everything will be set. Windows will download the necessary update and install it to correct the User32.dll errors