Delete an “Undeletable” File / Folder

You all Are familier With such kinfd of ERROR in windows so how to Fix them.

Step 1:- Open a Command Prompt window and leave it open.
Step 2- Close all open programs.
Step 3:- Click Start, Run and enter TASKMGR.EXE
Step 4:- Go to the Processes tab and End Process on Explorer.exe.
Step 5:- Leave Task Manager open.
Step 6:- Go back to the Command Prompt window and change to the directory the AVI (or other undeletable file) is
located in.
Step 7:- At the command prompt type DEL <filename> where <filename> is the file you wish to delete.
Step 8:- Go back to Task Manager, click File, New Task and enter EXPLORER.EXE to restart the GUI shell.
Step 9:- Close Task Manager.

NOTE:“ You can use antivirus to remove this error if then also the problem persists then you can use the following method “.