Are you trying to lớn install an application but receive an error message? Or are you cleaning your disk to free some space but get confused about the msdia80.dll? Don’t worry, this post will explain it khổng lồ you.

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What is msdia80.dll?

First, you don’t need khổng lồ worry. Because this file is not a virus. This tệp tin is a system file in Visual C++2005 Redistributable Package. If your computer is running a 64-bit operating system, & you’ve installed the Microsoft Visual C++ 2005 Redistributable Package, the msdia80.dll will be installed in the root folder of the boot drive.

If you’ve tried khổng lồ delete it, you may find it comes back automatically. The msdia80.dll file is a DLL file, short for Dynamic links Library. In the Windows system, many applications are not a complete executable, they’re split into relatively independent DLL files. When you run a program, the corresponding DLL tệp tin will be called. A program can điện thoại tư vấn multiple DLL files và one DLL tệp tin can be used by different programs. These DLL files are known as shared DLL files.

Should we keep it or not?

While it’s no harm khổng lồ keep it because it’s a safe system file. But this file should be located at C:Program FilesCommon FilesMicrosoft SharedVCmsdia80.dll. If you find it in other drives, you may need khổng lồ be careful cause it could be the reason for the unsuccessful installation for your other application.

Try the two fixes:

Fix 1: Install the Microsoft Visual C++ Packages

This is an easy but effective way to solve your problem. & it’s recommended by Microsoft official website.

1) Go to lớn the Microsoft tư vấn to find the latest Microsoft Visual C++ downloads.

2) download ‘vcredist_x86.exe’ and ‘vcredist_x64.exe’.


3) Navigate to lớn the tệp tin location, right-click on them và choose Run as administrator.

4) After installation, reboot your computer lớn take effect. Then kiểm tra your problem is fixed or not.

Fix 2: Remove the file location

If you don’t want to tải về and install the Microsoft Visual C++ Packages, you can try this fix. Once you put the msdia80.dll in the correct place then register it, the problem could be solved và you can delete the file which in the wrong place.

1) Press the Windows hình ảnh key + E together on your keyboard to open the tệp tin Explorer.

2) Navigate khổng lồ the drive where you find the msdia80.dll. Right-click on it and click Cut.


3) Copy & paste C:Program FilesCommon FilesMicrosoft SharedVC into the address bar and press the Enter key.


4) In this folder, right-click on the empty space & click Paste. Click Continue when you were asked for permission.


5) Press the Windows logo sản phẩm key + R together on your keyboard to mở cửa the Run box.

6) Type cmd and press the Ctrl + Shift + Enter key on your keyboard to run as administrator.


7) Type or copy và paste the following command into the Command Prompt. Note: make sure you’ve included the double-quotes.

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regsvr32 "C:Program FilesCommon FilesMicrosoft SharedVCmsdia80.dll"

8) Restart your computer lớn take effect. Then kiểm tra if your problem is solved or not.

Hope this article will meet your need. If you have any question, please leave comments below, we’ll try our best to help.