How to Fix the Rundll32.exe Problem

1. Restart your computer and press the 'F8' key before Windows loads to access Safe Mode. After pressing 'F8,' the Windows Boot Menu with Advanced Options screen will appear.
2. Press the 'Down' key on your keyboard to navigate to the 'Safe Mode' option and then press 'Enter.' After Windows loads in Safe Mode, you will have access to the desktop.
3. Click 'Start' and then click on 'My Computer.' Double-click the 'C:' drive and then double-click the Windows folder. Double-click the 'INF' folder and right-click the 'Sr.inf' file.
4. Click the 'Install' option and let Windows reinstall the file. Restart the computer.