comuid.dll - How to Fix? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing comuid.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent comuid.dll file can therefore effect in failed execution of the started process.

comuid.dll file COM+ Explorer UI. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of comuid.dll related errors on your device. You can also download comuid.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP

File info

General information
Filename comuid.dll
File extension DLL
Description COM+ Explorer UI
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

There are various types of errors related to comuid.dll file. comuid.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to comuid.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • comuid.dll is corrupted
  • comuid.dll cannot be located
  • Runtime Error - comuid.dll
  • comuid.dll file error
  • comuid.dll file cannot be loaded. Module was not found
  • cannot register comuid.dll file:
  • comuid.dll file could not be loaded
  • comuid.dll file doesn't exist



Application could not be started because comuid.dll file is missing. Reinstall the application to solve the problem.


Problems related to comuid.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing comuid.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

comuid.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with comuid.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to comuid.dll file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of comuid.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to comuid.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the comuid.dll file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the comuid.dll file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the comuid.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace comuid.dll file

The last solution is to manually download and replace comuid.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded comuid.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of comuid.dll file example directory paths.

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your comuid.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename comuid.dll
System Windows 10
File size 631296 bytes
Date 2017-03-18
File details
MD5 c76f88e44b0bfc18f73e7b10ac381772
SHA1 7ed7e7ce546e627a222be07721b7992b7fd43a91
SHA256 8a593b8c86b98ba043732a9e4287dd057937f889be08389cf5d0c8784b16ce45
CRC32 8a4711b0
Example file location C:\Windows\System32\
Filename comuid.dll
System Windows 8.1
File size 654848 bytes
Date 2014-11-21
File details
MD5 5a353f0c36893881dbe1bed621ba8c3a
SHA1 a400f37c6600d85f6f9ee51d856d0fcf97e1effa
SHA256 16d7f6f002da1c2ed137437d550f46227bb554b2298bacf8525618dcbda55e1b
CRC32 cfa3bbab
Example file location C:\Windows\System32\
Filename comuid.dll
System Windows 8
File size 608256 bytes
Date 2012-07-26
File details
MD5 e28f2fe66798286bac172d054bca931f
SHA1 8a16422f6a0455208b895a666c523b96c4df91f0
SHA256 64add943d932b74c5b376c273971c58169be236ff52203150686aa9f03884506
CRC32 aab51d3f
Example file location 1: C:\Windows\System32\
Filename comuid.dll
System Windows 7
File size 584704 bytes
Date -0001-11-30
File details
MD5 40e947f18137a41d36858cdab4bfc1b3
SHA1 c7fbbdb448876174d28df35d8099241567edb221
SHA256 585a9cbdd27f5a8dcd755605832f292d525024e2daa401887cb9c78975eb4f2b
CRC32 5ac4cdf8
Example file location C:\Windows\SysWOW64\
Filename comuid.dll
System Windows 7
File size 897024 bytes
Date 2009-07-14
File details
MD5 e18049971a8f341f3db6b339aeaf8d7c
SHA1 585c677f1aec672ce954f7cb74fec2b8ae293124
SHA256 7fc68e9ac8e532310b25e7869362661317cf65f60e6d9627ca4b1628a264c215
CRC32 f1c48e87
Example file location C:\Windows\SysWOW64\
Filename comuid.dll
System Windows Vista
File size 918528 bytes
Date 2009-04-11
File details
MD5 8b95404fc3b191192a70534c5b74c861
SHA1 6dadfb3b4699435f0e14d7d09bf737a6b2872a02
SHA256 af25139322b6798177e511d2888c6f4630a418ccf6840d324a899fbd1294099d
CRC32 d5a0b1e2
Example file location ---
Filename comuid.dll
System Windows Vista
File size 593408 bytes
Date -0001-11-30
File details
MD5 c01cf069d98f0e9ed9e8012099d26dc7
SHA1 9a8fa5c2efecd9ac0034fc5df796b381d207154b
SHA256 72c4d856675409fbbb8e2db1c8c9e10ef8117c8ff5a3b261f3767d539bdb017c
CRC32 1a447a53
Example file location ---
Filename comuid.dll
System Windows XP
File size 539648 bytes
Date 2008-04-14
File details
MD5 e0950a5b73350a26ab063ef6772fdca4
SHA1 d69784fb844c3c34c5c7fbb2f9234f19ef5a2439
SHA256 150ae03cdcf8934349cd49f05e6b3d4eb60c9c57bb7d6673f9764238da6e3204
CRC32 9b2841eb
Example file location ---