How to Stop Rundll32.exe

1. Right-click the taskbar. Select 'Start Task Manager' from the menu to open Windows Task Manager.
2. Click 'Processes,' then click 'Image Name' to alphabetize the running applications.
3. Go to 'rundll32.exe.' Right-click the process, then click 'End Process' from the menu. Click 'End Process' again when the dialog box appears to stop rundll32.exe.