Force Delete (Cannot Delete) Locked or In Used Files or Folders with FileASSASSIN
One of the most annoying experience when using Windows operating system is unable or cannot delete or remove files and folders that supposed able to delete. When a file is in used or accessed by running program, or a folder that contains file that been accessed, opened, written or used by other user or program, Windows will fail to delete or remove the file or folder with one of the following error messages.
Error Deleting File or Folder
Cannot delete the file. It is being used by another person or program. Close any programs that might be using the file and try again.

File In Use or Folder In Use
The operation can’t be completed because the file/folder is open in another program.
Close the file/folder and try again.
Cannot delete file: Access is denied.
Make sure the disk is not full or write-protected and that the file is not currently in use.
The source or destination file may be in use.
As mentioned in the error dialog box, the root cause of the problem of unable to delete files and folders is because another program, application or user is accessing, opening or using the file, or folder, or file that located inside the folder to be removed. When the file or folder is in used, Windows will lock the file and folder, and block and terminate any other access attempt to the file or folder to prevent any inconsistency of files.
However, in some cases, the problem when encountering such situation is that Windows does not provide a way to trace or check what is the process that is using the file or folder. Sometimes, even if the program suspected to be locking the file or folder have been closed, exited or terminated, Windows still do not unlock release the file or folder for deletion. Beside, there is also possibility that files infected by virus, Trojan, worm and other malware is impossible to delete.
Other than using Unlocker, Malwarebytes also develops FileASSASSIN which can be used to force delete a locked file or folder which otherwise cannot be deleted.

FileASSASSIN is an application that can delete and remove any type of locked files that are on your computer. FileASSASSIN uses advanced programming techniques to trace and unload modules, close remote handles, and terminate processes to remove the particular locked file.
To use FileASSASSIN, download and install (except portable version) FileASSASSIN using direct download links below. Then, run FileASSASSIN and select a file by dragging it onto the text area or select it using the (…) button. Next, select a removal method from the list. Finally, click Execute and the removal process will commence.
Download FileASSASSIN (English) from Malwarebytes.org (163.12 KB)
Download FileASSASSIN (Spanish) from Malwarebytes.org (163.45 KB)
Download FileASSASSIN (Portable Version) from Malwarebytes.org (79.79 KB)
Current version of FileASSASSIN is version 1.6, and the app supports Microsoft Windows 2000, XP, Vista.
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January 23rd, 2010 05:43
was suppossed to remove locked folders but ID DOES NOT!
December 18th, 2009 10:14
Thx so much!!!! i had a worm called “My webs search” FileASSASSIN shure took care of that
!!!
I got the worm off of free webs so be ware and don’t download ANY toolbars from them!!!
December 8th, 2009 21:03
THX it works i got an error of that shit with Nero9 and when my antivirus starts to sacan and get to CommonFiles/nero/ my pc stukcs and i need to stop the pc from button and is a Notebock -.-’ THX
November 21st, 2009 20:45
great help: had a worm virus running: not able to kill the process and delete the file. Assassinated it without any problems. strong tool!
November 21st, 2009 15:28
WOW! IT WORKS, GREAT SOFTWARE
November 12th, 2009 14:12
Hi, i tryed this program on windows 7 and i got an instant blue screen, and it said some thing about protecting windows from harmfull programs
August 3rd, 2009 00:52
I have run into a file that will not an can not be deleted by this or any other program. it happens to be a .nrg file. Any recommendations?
April 27th, 2009 02:36
[...] being locked or used by other applications. For instance users can try utilities such as Unlocker, FileASSASSIN or File and Folder Unlocker as introduced in our previous post. Besides these programs, users can [...]
March 10th, 2009 08:57
You will need to also use “run as administrator” while running FileAssassin from the right click menu when you click on the shortcut to launch the program, otherwise you won’t have enough permissions to delete most locked files.
February 23rd, 2009 16:34
Thx alot! ive been looking for a program like this couse windows can be retarted!
December 28th, 2008 00:20
[...] alternative is FileASSASSIN from [...]