How do I delete an "undeletable" file?
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.

es se b asan tareeka hai mere pass. aik software hai jis ka naam hai "Long Path Tool". Is software ki official website longpathtool.com hai. es website se yeh software download karian or es tarha ka her kism k maslay ka hal es software se hal ho jatahai.