- Open a Command Prompt window and leave it open.
- Close all open programs.
- Click Start, Run and enter TASKMGR.EXE
- Go to the Processes tab and End Process on Explorer.exe
- Leave Task Manager open.
- Go back to the Command Prompt window and change to the directory the AVI (or other undeletable file) is located in.
- At the command prompt type DEL
where is the file you wish to delete. - Go back to Task Manager, click File, New Task and enter EXPLORER.EXE to restart the GUI shell.
- Close Task Manager.





