Lot’s of times many files in your PC are undeletable. Well, here is a tip to delete anything You want!

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

Ok, No problem again with these awful undeletable files. :)