Who Lock It : the tool that tell you which program is locking files.

When you rename/delete folder, you see a window like this sometimes.

Folder In Use: The action can’t be completed because the folder or a file in it is open in another program. Close the folder or file and try again.

This window tell you that a folder is being locked by something program, but it never tell you WHICH PROGRAM IS locking a folder.

The “Who Lock It” is a Windows Desktop program (*.exe) to find which program is locking folders/files.

How to install

Download who-lock-it-1.0.0.zip file here.

Unzip it to any location.

Make a shortcut file to WhoLockIt.exe in any directory you like (ex: Desktop).

How to use

Drag and drop folders/files that you want to know which program is locking.

If there are locked files in droped items(files/folders), a result table is shown. Left column has paths of files, right column has names of processes that lock files. Unlocked files is not shown in the table.

Source Code