Download comsetup.dll to Fix Errors

Sometimes Windows system displays error messages regarding corrupted or missing comsetup.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 comsetup.dll file can therefore effect in failed execution of the started process.

comsetup.dll file COM+ Setup. 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 comsetup.dll related errors on your device. You can also download comsetup.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 comsetup.dll
File extension DLL
Description COM+ Setup
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 comsetup.dll file. comsetup.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 comsetup.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to comsetup.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 comsetup.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.

comsetup.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 comsetup.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 comsetup.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 comsetup.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 comsetup.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the comsetup.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 comsetup.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 comsetup.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 comsetup.dll file

The last solution is to manually download and replace comsetup.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 comsetup.dll file.

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

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

If the steps did not solve your comsetup.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 comsetup.dll
System Windows 10
File size 211968 bytes
Date 2017-03-18
File details
MD5 7b4dd083002f7f510d1ee8b945ad1804
SHA1 db915248240dd2c4c875586439ff999679d8b156
SHA256 9d8f28803ba06942b11151063729238e9d17e18dfa7aaae14f597f49afb14d81
CRC32 0a8f6173
Example file location C:\Windows\System32\Setup\
Filename comsetup.dll
System Windows 8.1
File size 245248 bytes
Date 2014-11-21
File details
MD5 63e0ef21775817037481e18cefb99f16
SHA1 2d19568c3bc28e7c876711809ffb3d45a1dd65cb
SHA256 4d991fc1be573ada6e6f23b59464e43bd16b9643ded03bf5dad836389fcc0cb5
CRC32 73b976e9
Example file location C:\Windows\System32\Setup\
Filename comsetup.dll
System Windows 8
File size 242688 bytes
Date 2012-07-26
File details
MD5 d7d778e8b8008b93b2c9739ad5529e0e
SHA1 b1a7df94bf846aa8737fd0154311b55d5f9c7790
SHA256 b7775783be4bd38cec2a5e43dcccdb25ad187c1138f42e18c32899cf0e474a2a
CRC32 43af0153
Example file location 1: C:\Windows\System32\Setup\
Filename comsetup.dll
System Windows 7
File size 247296 bytes
Date -0001-11-30
File details
MD5 1b36f248a720b54a9e92fed20aec21b2
SHA1 a79ca595b7cfc47fd199b81f5625817af352aaa3
SHA256 5624e1ada8a0a9753d71a11eddb353ac5b04e9de7108e18ac1fd5c26f0cb8b8c
CRC32 39d2927c
Example file location C:\Windows\SysWOW64\Setup\
Filename comsetup.dll
System Windows 7
File size 306176 bytes
Date 2009-07-14
File details
MD5 e8834187d56f405b7643b5966c987c89
SHA1 a4e43a0d6efaa65426a4ac0eadef3a2b6ba4e66a
SHA256 1d84ba2ba1bbc98eb47637fffea5f2a548b2c00c21fb5b3f0ba47383abe6f291
CRC32 f50fcaa5
Example file location C:\Windows\SysWOW64\Setup\
Filename comsetup.dll
System Windows Vista
File size 246272 bytes
Date -0001-11-30
File details
MD5 1caa6c6c4261d0762756fda9a8ebadeb
SHA1 9fea37e2520d23c40489188b332f36265418435b
SHA256 3217a6e0788d9ec96995b56e4d3215d9045aad681a11226d2e8d6a0c33f648d1
CRC32 c47f7c9f
Example file location ---
Filename comsetup.dll
System Windows Vista
File size 308736 bytes
Date 2008-01-21
File details
MD5 d9be86c0fe6638d6fab2102dc7d3ded4
SHA1 88034a8ff868a275bcd1240d70c7fe5243fe4dc5
SHA256 b288bcd31e81de3940bb89629d50f958d6e66ef6cccf6034f02d613423a48d79
CRC32 e048bb10
Example file location ---
Filename comsetup.dll
System Windows XP
File size 274944 bytes
Date 2008-04-14
File details
MD5 19828c368485d13cda91cd03694939d0
SHA1 a74c108f395521da982b7b7f2f76db6e25fcea44
SHA256 e7192ef62a77fe8a9555892382b0889f7fcfbaee9497081f06ac10239bf146e2
CRC32 e7f07fce
Example file location ---