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I'm struggling to edit an config file for a webserver. The file is a text file, and I can open it in a text editor, but not save it. When I try to save it, it says that another application is using it, but I haven't started the webserver yet.

Is there a way that I can see what process that has a lock on the textfile, or why I can't save the file? I am logged in as adminstrator, and the OS is Windows Vista.

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up vote 5 down vote accepted

Use LockHunter. It is similar to Unlocker which was my favorite for a long time, but LockHunter works for both 32bit and 64bit OS unlike Unlocker which only works on 32bit.


As of 5/7/2010, version 1.9.0, full 64-bit support has been added to Unlocker.

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Thanks, LockHunter was a great tool! But the worst thing was that there was no locks on the file. So there must be another problem with my file. Maybe permissions, but I'm administrator. – Jonas Jul 21 '10 at 21:48
    
The file may be corrupt too. – ubiquibacon Jul 21 '10 at 23:06

You could use ProcessExplorer for that. Just open it search for the file name. It can also close the file (right Click > close handle).

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Thanks. I installed ProcessExplorer but when I search on "DLL or Handles" on the file, I get no results. Is there another way to search? Or maybe there is something else that is wrong. – Jonas Jul 21 '10 at 21:42

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