The MSVCR100.dll missing or not found error is a common Windows problem that can prevent applications or games from launching properly. This DLL file is part of the Microsoft Visual C++ Runtime Library, and many programs rely on it to run. When it is missing, corrupted, or damaged, Windows displays error messages and stops the affected software from working. This guide explains what MSVCR100.dll is, why the error occurs, and provides step-by-step solutions to fix it safely and effectively.
What Is MSVCR100.dll?
MSVCR100.dll is a core system file included in Microsoft Visual C++ 2010 Redistributable
It contains essential runtime functions required by applications developed using Visual C++
Many programs, especially older software and games, depend on this DLL file. If it is missing or incompatible, the application cannot load properly
Solution 1: Restart Your Computer
Before applying advanced fixes, restart your PC
Temporary system glitches or locked files may cause DLL errors, and a reboot can sometimes resolve the issue instantly
Solution 2: Reinstall Microsoft Visual C++ 2010 Redistributable
Press Windows + R, type appwiz.cpl, and press Enter
Uninstall Microsoft Visual C++ 2010 Redistributable
Download the official installers from Microsoft:
Install both x86 and x64 versions (even on 64-bit systems)
Complete the installation
Restart your computer
Reinstalling this package restores the correct version of MSVCR100.dll automatically
Solution 3: Run System File Checker (SFC)
SFC scans Windows for corrupted or missing system files and repairs them
Press Windows + S, search for Command Prompt
Right-click it and select Run as administrator
Enter the command:
sfc /scannow
Wait for the scan to complete
Restart your PC
If MSVCR100.dll is corrupted, SFC may restore it
Solution 4: Repair Windows Image Using DISM
If SFC cannot fix the issue, use DISM to repair deeper system corruption
Open Command Prompt as Administrator
Run these commands one by one:
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
Restart your computer
Run sfc /scannow again for best results
Solution 5: Use an Automated DLL Repair Tool
If manual fixes fail or you prefer a quicker solution, an automated DLL repair tool can help.
Download and install PcGoGo DLL Fixer
Launch the program and click Scan
The tool will detect missing or corrupted DLL files, including MSVCR100.dll
Click Repair Now to restore the correct version automatically
Restart your PC
This method is especially useful for beginners or when multiple DLL issues exist.
Solution 6: Reinstall the Affected Program
Some applications include their own required DLL files
Uninstall the problematic program
Restart your PC
Download the latest version from the official source
Reinstall the program and launch it again
Solution 7: Scan for Malware
Malware can delete or damage DLL files
Open Windows Security
Go to Virus & threat protection
Run a Full Scan
Remove any detected threats
Restart your PC
Run SFC again if needed
Preventive Tips
Keep Windows and Visual C++ packages up to date
Avoid downloading DLL files from unknown websites
Use reliable antivirus software
Always install software from official sources
Common Causes of MSVCR100.dll Missing or Not Found Errors
This issue usually occurs due to one or more of the following reasons:
Microsoft Visual C++ 2010 Redistributable is not installed
The DLL file was accidentally deleted
Corrupted system files
Incomplete or failed program installation
Malware or virus infection
System upgrade or Windows update issues
Conclusion
The MSVCR100.dll missing or not found error is usually easy to fix and rarely indicates serious system damage. In most cases, reinstalling Microsoft Visual C++ 2010 Redistributable resolves the problem immediately. If the issue persists, tools like SFC, DISM, or an automated DLL repair utility can help restore system stability. By following the solutions in this guide, you can safely fix the error and prevent it from happening again.
