Troubleshoot colbact.dll Errors and Download File

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

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

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



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


Problems related to colbact.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 colbact.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of colbact.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 colbact.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 colbact.dll
System Windows 10
File size 68096 bytes
Date 2017-03-18
File details
MD5 1d593d55dc9996193ab00917bbcd75bc
SHA1 8abe14ec42e1f648082c733ae505417cf861b770
SHA256 334b285fd8bd06377bcd18381ed7afd50071bbb8a484d76c193ba06ffa053150
CRC32 42aadec8
Example file location C:\Windows\System32\
Filename colbact.dll
System Windows 8.1
File size 70144 bytes
Date 2014-11-21
File details
MD5 50b7bd678bdd624796e8459d14511bfc
SHA1 e11875b6c8f79fc2290e1804796d020f6754bba4
SHA256 9695ceaabedbccc43b142d3fc0b0d6d434b236a63a43ff27e74c10e2634fb269
CRC32 0639a758
Example file location C:\Windows\System32\
Filename colbact.dll
System Windows 8
File size 63488 bytes
Date 2012-07-26
File details
MD5 e743698da09f5e019fa2a977a959f693
SHA1 1f7dd19745c68ecda039428b5b7c556bc86898ea
SHA256 2226ccb5f03f2cd298cf6c1ae09907eb60ab4935380cdaea9317517025476754
CRC32 f6aee3ad
Example file location 1: C:\Windows\System32\
Filename colbact.dll
System Windows 7
File size 63488 bytes
Date -0001-11-30
File details
MD5 59ad4ce0f251f5673b43a3c94c18a82c
SHA1 9a8371e72fa533f33255757c58a5181b92b03a5a
SHA256 43ab7b63242b258feaddcd6568166ad75f34f2e8b2fc949b2991191faea86fa7
CRC32 fa1b283d
Example file location C:\Windows\SysWOW64\
Filename colbact.dll
System Windows 7
File size 80384 bytes
Date 2009-07-14
File details
MD5 76e6d3fc5ebd05f4b038e9f333907ac9
SHA1 d62086d72f695ddc70447668c0cccdc0cb66ff13
SHA256 b269fde94106086ff12ca7c406312c5189e08ae546ca9ac831dedb77c1d96f3c
CRC32 0138babc
Example file location C:\Windows\SysWOW64\
Filename colbact.dll
System Windows Vista
File size 79360 bytes
Date 2008-01-21
File details
MD5 be9d37b4a97894c7c0f405e8a59c68f6
SHA1 0c91f39c9b6ea28ba1cd7f2544d31bb835d6d691
SHA256 1e2d2e9423ae5542c18f94f0d7b41792450c15116cbafa4c79698c008cc0a51e
CRC32 25913874
Example file location ---
Filename colbact.dll
System Windows Vista
File size 62464 bytes
Date -0001-11-30
File details
MD5 e8de40de899656055a1691ee74f75841
SHA1 d5c2ee3725c0e7e6b101d23d3818ee3cebed8620
SHA256 efdf5690620dddfecbdafcfc79cf1ce1523acdfce32e3016c3ea7294d8681f73
CRC32 ba4b5a9b
Example file location ---
Filename colbact.dll
System Windows XP
File size 60416 bytes
Date 2008-04-14
File details
MD5 690d97864735e8ecd87f55777e266690
SHA1 37f76f0adcae0f54cbbe3d805d96b9696842d236
SHA256 2098d2aadef82c3edd82fd6182c14568cde1ef02205ed1ea4cb19252b74bb807
CRC32 fa499df0
Example file location ---