Delete an 'undeletable' file in Windows

• Open a Command Prompt window (Start > Run > type "cmd" ).
• Close all open programs - leave only the command prompt window open.
• Next,click Start > Run and enter taskmgr.exe to launch Task Manager.
• Go to the 'Processes' tab and select Explorer.exe from the list and click the 'End Process' Button.Leave the Task Manager open
• Go back the Command Prompt window and switch to the directory where the undeletable file is located.
• At the commmand prompt, type DEL filename . filename is the file you wish to delete.
• Go back to the Task Manager, click 'File > New Task' and enter EXPLORER.EXE to restart the GUI shell. (Explorer)
• Close Task Manager