The '找不到msvcr120.dll' error message is a common problem faced by many Windows users, especially those running older or corrupted systems. This error typically appears when a program or game fails to start due to missing or corrupted msvcr120.dll files, which are essential dynamic link libraries (DLLs) for running applications built with Visual C++.
Understanding and resolving this error is crucial for maintaining system stability, avoiding application crashes, and ensuring your software runs smoothly. In this comprehensive guide, we will explore the causes of the 找不到msvcr120.dll error, its impact, and provide detailed, step-by-step solutions to fix it effectively.

Understanding the msvcr120.dll File
What Are DLL Files?
Dynamic Link Library (DLL) files are shared libraries that contain code, data, and resources used by multiple programs simultaneously. They enable code reuse and modular architecture within Windows, helping to optimize system performance.
Role of msvcr120.dll in Windows and Applications
The msvcr120.dll is part of the Microsoft Visual C++ Redistributable package, specifically associated with Visual Studio 2013. It provides runtime functions required for running applications developed with Visual C++ 2013. This DLL includes standard C++ library functions such as memory allocation, string manipulation, and input/output operations.
Common Causes of the '找不到msvcr120.dll' Error
The msvcr120.dll might be missing or corrupted due to several reasons:
- System file corruption caused by improper shutdowns or malware
- Failed application or Windows updates
- Unsuccessful software installation or removal
- Malware infections that delete or damage DLL files
- Conflicts with incompatible driver or software versions
Common Causes of '找不到msvcr120.dll' Error
Understanding what causes this error can help prevent future issues and streamline troubleshooting.
Corrupted System Files
Corruption of system files can occur due to abrupt shutdowns, hardware failures, or malware attacks, leading to missing or damaged DLL files.
Incomplete Software Installations or Updates
If a program or Windows update wasn’t completed correctly, essential DLL files like msvcr120.dll may not be properly installed, causing runtime errors.
Registry Issues
Corrupt or invalid entries in the Windows Registry associated with msvcr120.dll can prevent the system from locating or loading the DLL correctly.
Malware or Virus Infection
Malicious software can delete, modify, or corrupt DLL files, including msvcr120.dll, to disrupt system operations or hide malicious activities.
Step-by-Step Troubleshooting and Fixes
Addressing the 找不到msvcr120.dll error involves a series of methodical steps. Here are the most effective solutions:
Reinstall Microsoft Visual C++ Redistributable Packages
Since msvcr120.dll is part of Visual C++ Redistributable, reinstalling it can often resolve missing or corrupt files.
Step 1: Download the Correct Version
- Visit the official Microsoft Visual C++ Redistributable downloads page.
- Download Visual C++ Redistributable for Visual Studio 2013 (choose x86 or x64 based on your system).
Step 2: Install and Restart
- Double-click the downloaded installer.
- Follow the on-screen instructions to complete installation.
- Restart your computer to apply changes.
Manually Replace the msvcr120.dll File
If reinstalling the runtime doesn’t work, manually replacing the DLL is an option.
Step 1: Download the msvcr120.dll File from a Trusted Source
- Obtain the DLL from the official Microsoft website or a reputable DLL library like Dll-files.com.
Step 2: Place the DLL in the Proper Directory
- Copy the msvcr120.dll file.
- Paste it into the application's directory or the C:\Windows\System32 folder (for 64-bit systems, also copy to C:\Windows\SysWOW64).
Step 3: Register the DLL
- Open Command Prompt as Administrator.
- Enter the command:
regsvr32 msvcr120.dll - Press Enter and restart your PC.
Run System File Checker (SFC) and Deployment Image Servicing and Management (DISM)
These tools scan and repair corrupted system files and images.
Step 1: Open Command Prompt as Administrator
Step 2: Run SFC
sfc /scannow
- Wait for the scan to complete and follow any on-screen instructions.
Step 3: Run DISM
DISM /Online /Cleanup-Image /RestoreHealth
- Allow the process to finish, then restart your system.
Update Drivers and Windows OS
Outdated drivers or Windows versions can cause compatibility issues leading to DLL errors.
- Use Windows Update to install the latest patches.
- Visit your hardware manufacturer’s website to download the latest drivers.
Perform System Restore
If the 找不到msvcr120.dll error started recently, restoring your system to a previous stable point can resolve the issue.
Step 1: Search for 'System Restore' in the Windows search bar.
Step 2: Follow the prompts to choose a restore point created before the error appeared.
Step 3: Complete the restoration process and restart.
Preventive Measures and Best Practices
Prevention is always better than cure. Here are some best practices to avoid DLL errors such as 找不到msvcr120.dll:
- Maintain Updated System and Drivers: Regularly update Windows and device drivers to ensure compatibility.
- Use Trusted Software Sources: Download applications only from official websites or reputable sources.
- Perform Regular Virus Scans: Utilize antivirus programs to detect and eliminate malware that can corrupt DLL files.
- Create System Restore Points: Periodically back up your system state so that you can revert to a stable environment if needed.
- Avoid Manual DLL Tampering: Only replace DLL files from trusted sources and when necessary.
Additional Resources and Tools
To keep your system healthy and resolve future DLL issues quickly, consider the following resources:
Official Microsoft Runtime Download Links
Recommended DLL Repair Tools
- Dependence Walker
- DLL-files.com Client
- Restoro System Repair
Official Support Channels
- Microsoft Support: support.microsoft.com
- Windows Community Forums
- Trusted tech support websites
Conclusion
The '找不到msvcr120.dll' error can be an annoyance, but with a systematic approach, it’s manageable. Key points include understanding the role of DLL files, identifying potential causes like system corruption or incomplete installations, and applying targeted solutions such as reinstalling runtime packages, replacing DLL files manually, and running system repair tools. Regular system maintenance, safe software practices, and timely updates are essential to prevent DLL errors, ensuring your Windows experience remains smooth and stable. If you follow these steps and utilize the recommended resources, you'll significantly reduce the chances of encountering this error in the future—or resolve it quickly if it does occur. Feel free to share this guide with others or bookmark it for future reference. For persistent issues, consult professional IT support or Microsoft's official channels to get personalized assistance.
Stay proactive, keep your system healthy, and enjoy seamless software operation!