How to Repair Rundll

Locating the Error
1. Write down the file path of the error when the Run.dll error message is displayed. For example, write down 'C:WINDOWS\system32\usvdgpo.dll.'
2. Navigate to the 'Start' menu and select the 'Run' button. The Run dialog is displayed.
3. Type 'services.msc' into the field and click the 'OK' button to open the 'Services Management' window.
4. Locate the file path that you wrote down. From the example, you would locate the 'C:WINDOWS\system32\usvdgpo.dll' file from the right-hand side of the menu. Right-click on the file and click the 'Stop' button.
5. Navigate to the 'Start' menu and select the 'Run' button. The Run dialog is displayed.
6. Type 'regedit' into the box and press 'Enter.' The Registry window is displayed. Navigate to the appropriate key by expanding the 'HKEY_LOCAL_MACHINE> SOFTWARE> Microsoft> Windows> CurrentVersion> Run' entry.
7. Click the 'rusvdgpo' = '%System%undll32.exe %System%usvdgpo.dll, [LETTERS]' button and then press the 'Delete' button on your keyboard. Restart your computer.
General Troubleshooting
8. Restart your computer. Sometimes simply restarting your computer will fix the run.dll error.
9. Remove any recently installed programs. Navigate to the 'Start' menu and select the 'Control Panel.' The Control Panel is displayed.
10. Click on the 'Add/Remove Programs' option.
11. Click on the program that recently installed. Select 'Uninstall' from the menu.