How to Download and Fix msdt.exe?

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

msdt.exe file Diagnostics Troubleshooting Wizard. 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 msdt.exe related errors on your device. You can also download msdt.exe file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista 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

File info

General information
Filename msdt.exe
File extension EXE
Description Diagnostics Troubleshooting Wizard
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Executable application
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 msdt.exe file. msdt.exe 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 msdt.exe file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to msdt.exe 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 msdt.exe 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.

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

The last solution is to manually download and replace msdt.exe 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 msdt.exe file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of msdt.exe 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\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your msdt.exe 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 msdt.exe
System Windows 10
File size 1505280 bytes
Date 2017-03-18
File details
MD5 a7849417aee78b3aea3bbfecd57e5f30
SHA1 691725ff53232fae47ca44a20c9b1d0fa5f44eee
SHA256 f5b39d58cefcef6769586c907621990bb82fbea0bad269cb5ccf7b9e7b9bde9b
CRC32 d737ed8e
Example file location C:\Windows\System32\
Filename msdt.exe
System Windows 8.1
File size 981504 bytes
Date 2014-11-21
File details
MD5 3aab3f3107c0f2fde2ad082eb98a84ea
SHA1 6d1178ca091591b6f8ed6cd5c1e08e1dd83f4272
SHA256 f7d246347fa82ef329f23adf5583c1f1867d7ae422be94f8f5f1e7c0e52f78e1
CRC32 e0bf56e5
Example file location C:\Windows\System32\
Filename msdt.exe
System Windows 8
File size 955904 bytes
Date 2012-07-26
File details
MD5 05c2ec61a2c7eb71210223a1a5135e10
SHA1 579277a1995872522aedbfd0bce956eae53744f3
SHA256 1f778645c16923bdd4620c41c017ab05b39404663487b429a4785b6f6230c866
CRC32 fc9a3a04
Example file location 1: C:\Windows\System32\
Filename msdt.exe
System Windows 7
File size 1076736 bytes
Date 2009-07-14
File details
MD5 aecb7b09566b1f83f61d5a4b44ae9c7e
SHA1 3a4a2338c6b5ac833dc87497e04fe89c5481e289
SHA256 fbdbe7a2027cab237c4635ef71c1a93cf7afc4b79d56b63a119b7f8e3029ccf5
CRC32 4eadcb2c
Example file location C:\Windows\System32\
Filename msdt.exe
System Windows 7
File size 983040 bytes
Date -0001-11-30
File details
MD5 f67a64c46de10425045af682802f5ba6
SHA1 74d1f99fab21c98de441f4545fcae9f709be9f8c
SHA256 65b029802a1cd52e21032cadd0e7c92eeb7d4c475fe892770aeac75c01c4c977
CRC32 bbc55573
Example file location C:\Windows\System32\
Filename msdt.exe
System Windows Vista
File size 34816 bytes
Date -0001-11-30
File details
MD5 681e47c1e43501c48516e288b0c9b70a
SHA1 7dde78de351376599dfd7396d6d9eecb31fb1599
SHA256 5301a498b3f014730711b621fb74fca59105daae68e2fe86115a04e4c115ae31
CRC32 df3654a6
Example file location ---
Filename msdt.exe
System Windows Vista
File size 198144 bytes
Date 2008-01-21
File details
MD5 e46e9d72a2d9d9d244f004a686af7465
SHA1 ea1761f4250ea0dab038c2f46cf199a094dd6dee
SHA256 40f4ca4138b2c5106e04770d2804fdafd3c6f7d042d5ee049c47e27102ca4575
CRC32 51aa6003
Example file location ---