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A missing MSVCR DLL usually means an app cannot find a Microsoft C Runtime library it needs. The right fix depends on the exact DLL, the app’s runtime requirements, and the app’s target architecture—not on a single download that works for every error. Follow these steps in order and stop when the app opens normally.
Fix a missing MSVCR DLL in nine steps
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Record the exact error
Copy the DLL filename exactly as shown, note which app displays the message, and record any error code. “MSVCR DLL is missing” is a general description, not enough to identify the required runtime.
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Restart Windows and retry the app
Restart your computer, then open the affected app again. This is a simple check, not a guaranteed repair. If the same message returns, continue.
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Check the app vendor’s support instructions
Look up the app’s official support page or contact its support team with the DLL filename and error code. Microsoft advises people updating a runtime to fix an app to contact the app vendor: Microsoft’s Visual C++ Redistributable download guidance.
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Repair or reinstall the app from its official installer
Use the app’s built-in repair option if available, or reinstall it using an installer obtained from the app vendor. The app’s installer may be responsible for deploying the runtime libraries it needs; Microsoft’s Visual C++ deployment guidance tells developers to verify that their installer deploys required libraries correctly. Test the app after repair or reinstall before moving on.
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Identify the runtime generation from the DLL and vendor guidance
Do not choose a Redistributable based on “MSVCR” alone. Microsoft documents
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Install or repair the appropriate Microsoft Visual C++ Redistributable
For apps built with Visual Studio 2017, 2019, 2022, or 2026 build tools, Microsoft recommends the latest supported v14 Redistributable. Check Microsoft’s current download page for the live package and instructions rather than relying on a version number copied from an older guide. The v14 Redistributable is cumulative for supported Visual Studio 2015-and-later toolsets, subject to Microsoft’s version compatibility rule; older runtime generations may require a distinct package. Details are in Microsoft’s Redistributable compatibility FAQ. If the vendor specifies a legacy runtime, follow that instruction instead of assuming v14 will replace it. Microsoft documents a
/repairoption for Redistributable packages in its deployment documentation. -
Match the package architecture to the app
Choose the Redistributable architecture that matches the app’s target architecture. This is not simply a choice based on whether Windows is 32-bit or 64-bit. Microsoft’s runtime guidance says the installed Redistributable must match the app’s target architecture and be at least as recent as the build tools used to create the app. Follow the vendor’s guidance if you cannot determine the app’s architecture.
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Restart Windows and test the app
After installing or repairing the runtime, restart Windows and open the affected app. If it launches normally, no further steps are needed.
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Troubleshoot installation failures or contact the vendor
If the Redistributable installer fails, use Microsoft’s Visual C++ Redistributable installation troubleshooting guide. Microsoft recommends checking installer logs and describes additional paths involving permissions, Windows updates, and specific installation errors. If installation succeeds but the app still reports a missing DLL, send the vendor the exact message and the steps you tried.
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How to choose between possible runtimes
When more than one package seems plausible, use these checks in order:
- DLL filename: Identify the runtime generation only from the exact filename and reliable vendor instructions. Microsoft’s documented examples include
msvcr110.dllfor Visual Studio 2012 andmsvcr120.dllfor Visual Studio 2013. - App build requirements: The Redistributable must be at least as recent as the build tools used for the app.
- App architecture: Match the package to the app’s target architecture, not merely to Windows’ architecture.
- Vendor instructions: Follow the app maker’s package recommendation when it identifies a specific runtime.
These distinctions matter because older runtime generations can be separate and may not be interchangeable. The current v14 package covers supported Visual Studio 2015-and-later toolsets under Microsoft’s compatibility rules; it is not a universal replacement for every historical MSVCR runtime.
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Download Redistributables safely
Get the package from Microsoft’s official download page and check that the installer is signed by Microsoft. Microsoft warns: “Never install a Visual C++ Redistributable installer that wasn’t downloaded from a Microsoft site.” Avoid third-party DLL download sites and do not copy an individual DLL into a Windows folder as a substitute for installing the required runtime. See Microsoft’s installation troubleshooting guidance.
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