What is msdia80.dll and Should You Delete it?

What is msdia80.dll and Should You Delete it?

September 7, 2019 By Xtremerain Editorial Team

    Have you ever seen the file name “msdia80.dll” in windows? Do you know what it is and is it safe to delete or not? Now, You will get all these answers.

    Before knowing about msdia80.dll, you should know what a .dll file is. The full form of DLL is Dynamic Link Library. It is a code or library that contains important code and data. One or more programs can use a DLL file at the same time without any issue. It has many benefits. One is it provides speedy performance. It also boosts memory efficiency. When you run a particular program but that program can’t access the required DLL file, you may get an error. The program won’t run properly. So, DLL files are very important in windows operating system.

    msdia80.dll file appears in windows 10

    What is msdia80.dll?

    If you have installed Microsoft Visual C++ 2005 Redistributable Package on an x64 based Windows operating system like Windows 10 64 bit, You are more likely to see msdia80.dll on local disk C root folder or any other drive where windows is installed. In some cases, Users may see this DLL file on every drive. Sometimes, You may see msdia90.dll, if you install MS Visual C++ 2008 redistributable package on a 64 bit windows.

    Is it a Virus?

    Of course not. When you see it on every drive, It may make you confused. But, Don’t worry. It is not a virus or not gonna create problems on your computer.

    Should I Delete msdia80.dll?

    No. In most cases, Experts are always against deleting a .dll file. Because if you delete msdia80.dll, any program that requires it won’t run properly. Frankly saying, Personally I found this file on every drive of my PC. At first, I got confused and delete them. However, I did not encounter any problem. But, I did not stop after deleting it. I searched on google about it and came to know that every DLL file is important. These files provide efficiency in Windows operating system.

    So, You should not delete msdia80.dll. If you delete, You won’t encounter any major problem. But, If any of the programs that you use regularly for important work requires this file, you will face problem. Maybe that program won’t run without this file.

    How to Delete msdia80.dll

    I have explained why you should not delete it. However, If you want to delete, Just right click on it and choose Delete. But, Take backup before deleting it so that you can restore it when you need.

    What Should You Do? How to Fix It?

    Do nothing. Don’t mess with it. haha. However, You can download and install Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package ATL Security Update for your 64-bit Windows operating system from here.

    If you don’t want to see the msdia80.dll on every drive or any drive’s root folder, just move it to C:\Program Files\Common Files\Microsoft Shared\VC. C is where you have installed windows. It may be another drive depends on windows installation location.

    Then, Open the command prompt as administrator and run the following command.

    regsvr32 C:\Program Files\Common Files\Microsoft Shared\VC\msdia80.dll

    Let me know if these tips help you.