cmitrust.dll - Repair Issues and Download

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

cmitrust.dll file Installers for trustInfo and related elements. 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 cmitrust.dll related errors on your device. You can also download cmitrust.dll file compatible with Windows 8.1, Windows 8, Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename cmitrust.dll
File extension DLL
Description Installers for trustInfo and related elements
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 cmitrust.dll file. cmitrust.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 cmitrust.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to cmitrust.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 cmitrust.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.

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

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

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

  • Windows 8.1: C:\Windows\System32\AdvancedInstallers\
  • Windows 8: 1: C:\Windows\System32\AdvancedInstallers\
  • Windows 7: C:\Windows\System32\AdvancedInstallers\
  • Windows Vista: C:\Windows\System32\AdvancedInstallers\

If the steps did not solve your cmitrust.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 cmitrust.dll
System Windows 8.1
File size 280576 bytes
Date 2013-08-22
File details
MD5 2c346399aae17d5a5fd910c05bb3e0e5
SHA1 fad9484bf19e13fb397899169a49b8d7c3bd515f
SHA256 19da83d288cd3ee771b54090ecc2dc06e673a737df73719b9952f3ebf47fb3cc
CRC32 84e5121f
Example file location C:\Windows\System32\AdvancedInstallers\
Filename cmitrust.dll
System Windows 8
File size 289280 bytes
Date 2012-07-26
File details
MD5 4b9b443c4a2f50b995e8b4f56796973b
SHA1 112f81433b07752b3c79c690ef611b3079c0416a
SHA256 95eed78619bb39c6ce9e1fcef36b1f27555ccdad13dfb23392c2e92af0a8dcd1
CRC32 6f2c7c2a
Example file location 1: C:\Windows\System32\AdvancedInstallers\
Filename cmitrust.dll
System Windows 7
File size 477696 bytes
Date 2009-07-14
File details
MD5 9de8bfb3ba5dc6b4d9e703a359572989
SHA1 1db200a2dc68bd32bb601ea8920d5cd53dadfad1
SHA256 83c5e49e3ad1903fb95f234e61c3862b2840a87b0def75ff6c0630a328f792f6
CRC32 18c84026
Example file location C:\Windows\System32\AdvancedInstallers\
Filename cmitrust.dll
System Windows Vista
File size 453632 bytes
Date 2008-01-21
File details
MD5 9204b07d42a977f6372321e8c1cdc209
SHA1 1dac3528fe794104be376a1cbc3e6a3f25d189a4
SHA256 ecc1c94cf32fab0b3ab57ceef4e41bcb2452c8e08a3d671e559bd9c9526f8feb
CRC32 9ad15d6b
Example file location C:\Windows\System32\AdvancedInstallers\