Unlocker
Unlocker is a small Windows utility for dealing with ... these specific access conflicts. When a file operation fails, Unlocker can show which process is locking the selected ...

Unlocker Portable is a compact Windows utility for renaming, moving or deleting files that cannot be changed because another process is using them. Its simple main window focuses on releasing file locks and carrying out the requested action. A system-tray Assistant opens the window on double-click, and the portable edition runs without setup, making it easy to keep on a USB drive.
| Author: | Cedrick Collomb |
| License: | Freeware |
| Price: | FREE |
| Released: | Apr 4, 2017 |
| File size: | 297 kB |
| Downloads: | 440 |
| Keywords: | Unlocker Portable, move files in use, file deletion software, delete locked file, system utility tool, unlock, terminate, remove error message, remove file access errors, unlocker, process termination, portable file unlocker, delete locked files, unlock file, Windows 10 compatibility, rename locked files, unlock locked files, Cedrick Collomb |
| Author URL: | http://www.emptyloop.com/ |
Unlocker Portable is a small Windows utility for handling files or folders that cannot be renamed, moved or deleted because another process is using them. It is intended for users who encounter access errors during routine file management and need a direct way to identify and release the lock. Its compact interface focuses on these operations rather than offering a broader file-management suite.
When Windows reports that an item is in use, Unlocker can attempt to unlock it so the requested action can proceed. The main window provides options to rename, move or delete the selected item. This is useful when a program or background process has left a file open and standard File Explorer actions fail. Unlocker addresses the lock; it does not replace a file manager or recover deleted data.
The utility also includes an Assistant that stays in the system tray. Double-clicking its icon opens the main window, giving users access to the tool without keeping a larger application interface open. The portable edition requires no setup, so it can be carried on a USB drive and run when needed without a conventional installation process.
Typical uses include removing leftover files after an application closes, moving items blocked by an active process, or renaming files that Windows marks as in use. Unlocking a file can affect the program holding it, so the action should be used with care, particularly for system files or files belonging to running applications. If a lock cannot be safely released, closing the related application or restarting Windows may be more appropriate.
Unlocker is freeware from Cedrick Collomb. It supports Windows versions ranging from Windows 2000 through Windows 10, including 64-bit editions where provided. The portable package is small and designed for use without installation; Windows 11 support is not established by the available compatibility information.