File & Folder Unlocker
This program is FREEWARE.
File & Folder Unlocker is a powerful yet easy-to-use system utility that gives you complete control over the locked files and folders on your computer.
Like our other free utilities, File & Folder Unlocker is free for both commercial and non-commercial use.
You've probably seen (and become frustrated by) one or more of these system messages:
Access denied.
The file is in use by another program or user.
The source or destination file may be in use.
Cannot delete file: It is being used by another person or program.
Cannot delete Folder: It is being used by another person or program.
The process cannot access the file because it is being used by another process.
There has been a sharing violation.
Close any programs that might be using the file and try again.
Make sure the disk is not full or write-protected and that the file is not currently in use.
File & Folder Unlocker arms you with complete search & unlock capabilities, giving you a fast, easy and free solution to all of the above error messages and more.
Comprehensive:
Searches all system and process handles
Searches all loaded system drivers
Searches all loaded processes and modules
Searches all files opened remotelyMain Uses:
Unlocking file or folder objects that are locked
Searching for files that are open or locked
Finding which process has a file or folder open
Listing all files & folders held open by a specific process
Listing all files & folders held open by all processes
Listing all files & folders held open by remote (network) usersOther Features:
Shows ALL File and Directory objects, including advanced file object types like "\Device\Tcp"
Supports partial searches (eg. ".txt")
Smart disk name detection (eg. "\Device\HarddiskVolume0\" => "C:\")
Shows both process and handle IDs
Right-click Explorer integration for easy access on-demand searching
Supports drag-and-dropping of a file or folder
Comprehensive process list even shows parameters
Resizable display for easier viewing
Ability to show just regular files to filter out advanced file objects
Export capability allows you to save customized results as text filesScreenshot:

This screenshot shows that the file "E:\temp\myletter.txt" is held open (locked) by the HEXEDIT.EXE process (ProcessID 520), which prevents the myletter.txt file from being deleted, and sometimes even read-only access isn't possible.
Enter File & Folder Unlocker to the rescue ... simply by right-clicking and selecting the Unlock Object submenu item we remove that lock, thus enabling you to access and/or delete the file at your leisure.
Ready to run - no install required.
MD5: B7BBD76B90FB40845266A0BB57D26336
Supported Operating Systems:| Client | Windows 2000, Windows XP |
| Server | Windows 2000 Server, Windows Server 2003 |

Related websites:
Wikipedia: File Locking
MSDN: CloseHandle
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