How to Fix Dxdiagn.dll is Missing Error in Windows

If you are using Windows operating system in your computer, then you are very much aware about the DLL file of the Windows. Actually DLL files are responsible for the proper running of any applications in the Windows computer. But sometimes when you try to run an application, you may get dxdiagn.dll is missing error in Windows. It is a very critical error issue that comes to you due to the missing or corrupt dxdiagn.dll file. After the occurring of the error issue, you will not be able to access the application associated with this DLL file properly. You may also lose the important data from the computer. So it is very important to fix this issue with the help of the troubleshooting tips given in this article. You can also fix the issue automatically with the help of Advanced System Repair tool.


Compatible with the Windows 8 32-bit and 64-bit Operating System, Windows 7 32-bit and 64-bit Operating System, Windows Vista 32-bit and 64-bit, Windows XP 32-bit
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Symptoms of the Dxdiagn.dll was not found error –

Main symptoms that you may see when you get Dxdiagn.dll is missing error in Windows are automatic shutdown, slow performance of the computer, system sticking, screen freezing, occurring of the blue screen of death error, startup issue, repetitive restarting, unable to install or uninstall any files or application in the Windows, opening of some files without your permission, redirecting you to some undesired locations, etc. You can also get the following error messages on the Windows screen;

“Cannot start Exchange 2003 Server. A required component is missing: dxdiagn.dll. Please install Exchange 2003 Server again.” Or,

“This application failed to start because dxdiagn.dll was not found. Re-installing the application may fix this problem.”

Causes of the Dxdiagn.dll is missing or not found error –

You may get the Dxdiagn.dll is missing error in Windows due to many reasons like incomplete installation of the Windows OS, missing or corrupt dxdiagn.dll file, virus or malware infections, junk files, duplicate files, incorrect registry entries, misconfigured system files, broken files, damaged device drivers, hardware or software incompatibility, failure of the hard drive, unfinished uninstalling of some files or applications, conflicts between the programs installed in the Windows, etc.

How to fix Dxdiagn.dll is missing error in Windows –

You can fix the Dxdiagn.dll was not found error in Windows with the help of the following manual method:

  1. First of all go to the start button and click on Run.
  2. Type CMD in the opened window and hit Enter.
  3. Type regsvr32 dxdiagn.dll and hit Enter.
  4. Restart the Windows.

By using the above manual procedure, you can fix the Dxdiagn.dll is missing error in Windows issue, properly. But you should also keep one thing in your mind that the manual method requires a deep technical knowledge to fix the issue. Therefore, you can automatically resolve the problem with Advanced System Repair tool.


Compatible with the Windows 8 32-bit and 64-bit Operating System, Windows 7 32-bit and 64-bit Operating System, Windows Vista 32-bit and 64-bit, Windows XP 32-bit
multi-badge-win7

After launching Advanced System Repair tool in your computer, it will fix all the Windows errors very easily. The tool will automatically scan the whole computer and find out the errors to fix them completely. The tool will also remove virus and other malware from the computer to speed up the computer performance.

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