What is UnlockerCOM.dll?

UnlockerCOM.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if UnlockerCOM.dll is a Windows system file or if it belongs to an application that you can trust.

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UnlockerCOM.dll file information

The process known as Unlocker belongs to software Unlocker by unknown.

Description: UnlockerCOM.dll is not essential for the Windows OS and causes relatively few problems. UnlockerCOM.dll is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\ or in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 10,240 bytes (42% of all occurrences), 8,704 bytes, 10,752 bytes, 43,520 bytes or 9,216 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The file is a file with no information about its developer. The program has no visible window. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. UnlockerCOM.dll is not a Windows system file. UnlockerCOM.dll appears to be a compressed file. Therefore the technical security rating is 80% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software publisher Free provides direct support ( You could uninstall Unlocker from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify UnlockerCOM.dll related errors

Important: Some malware camouflages itself as UnlockerCOM.dll. Therefore, you should check the UnlockerCOM.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Program that "unlocks" locked files
  Fredrik   (further information)
This prog helps unlocks files that are locked by the system so you can then delete them
  haxxy   (further information)
Unlocks files that are in use
  Kender   (further information)
Changes attrib to allow file deletion - used it for a long time with no problems - author keeps improving it !
  Massada   (further information)
A handy little software that allows you to unlock and delete any file.
Part of the pooular unlocking program 'Unlocker', used to delete or edit locked files
unlocks folders\files so u can delete\move\rename them
i believe its part of "unlocker" a prog to remove files when you see "cannot delete in use by another process" etc
  wze3369   (further information)
This prog helps unlocks files that are locked by the system so you can then delete them See also:
  PK   (further information)
like the others said
  some bitch  
It's useful to unlock files locked by others processes
It's useful to unlock files locked by others processes
Helps delete files when windows locks them. It's harmless.

Rating chart

Summary: Average user rating of UnlockerCOM.dll: based on 20 votes with 14 user comments. 15 users think UnlockerCOM.dll is essential for Windows or an installed application. 3 users think it's probably harmless. One user thinks it's neither essential nor dangerous. One user thinks UnlockerCOM.dll is dangerous and recommends removing it.

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Best practices for resolving UnlockerCOM issues

A clean and tidy computer is the key requirement for avoiding problems with UnlockerCOM. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the UnlockerCOM.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

UnlockerCOM.dll [all]