How to Repair User32.dll

1. Save and then close any files and programs that are open.
2. Back up your data on external media. (Note: Your computer system may be unstable, so applying this step is a precautionary measure.)
3. Click 'Start,' click 'Run' and then type 'cmd' in the Open box.
4. Click 'OK,' type 'tasklist /m User32.dll' and then press 'Enter.'
5. Find the program that created the error in the 'Image Name' list and then remove or reinstall it. If your computer continues to display USER32.DLL error messages, continue.
6. Repair or reinstall the damaged or missing USER32.DLL files using your operating system recovery disk. (Note: Since this is a total reinstall, be sure to follow Steps 1 and 2 before applying this step.)