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What is msdt.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the msdt.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for msdt.exe related errors

Msdt.exe file information

Windows Task Manager with msdt
Msdt.exe process in Windows Task Manager

The process known as Diagnostics Troubleshooting Wizard belongs to software Microsoft Windows Operating System by Microsoft (www.microsoft.com).

Description: The original msdt.exe is an important part of Windows and rarely causes problems. Msdt.exe is located in the C:\Windows\System32 folder or sometimes in a subfolder of C:\Windows. Known file sizes on Windows 8/7/XP are 983,040 bytes (80% of all occurrences) or 955,904 bytes. http://www.file.net/process/msdt.exe.html 
The file is a Windows core system file. The program has a visible window. The msdt.exe file is a trustworthy file from Microsoft. Msdt.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 0% dangerous, however you should also read the user reviews.

Recommended: Identify msdt.exe related errors

Important: Some malware disguises itself as msdt.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the msdt.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

C:\Windows\System32\msdt.exe
   
It appears as an update from an unknown publisher, doesn't Microsoft know its own software?
  phil stilliard  

Summary: Average user rating of msdt.exe: based on 4 votes with 2 user comments. 2 users think msdt.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user is not sure about it.


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Best practices for resolving msdt issues

A clean and tidy computer is the key requirement for avoiding problems with msdt. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the msdt.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

msdt.exe [all]