Understanding the Causes of the "vcruntime140_1.dll Not Found" Error

The "vcruntime140_1.dll not found" error is a common issue faced by Windows users, especially when launching certain applications or software. This error prevents programs from running correctly and can be frustrating for those who rely on these applications for work or entertainment. To effectively address this issue, it is important to understand the underlying causes.

The vcruntime140_1.dll file is part of the Microsoft Visual C++ Redistributable for Visual Studio 2015, 2017, 2019, and 2022. It contains essential routines that applications, written using Visual C++, require to function properly. When this Dynamic Link Library (.dll) file is missing, corrupted, or inaccessible, affected applications cannot operate and instead display an error message.

Several scenarios can trigger this error:

• Missing or Corrupted File: Sometimes, the vcruntime140_1.dll file is accidentally deleted or becomes corrupted due to an incomplete software installation or uninstallation, system crash, or malware infection.
• Faulty Software Installation: If an application installation is interrupted or if the installer fails to include the correct version of Microsoft Visual C++ Redistributable, the necessary DLL file might not be present.
• Outdated Visual C++ Redistributable: Some programs require the latest version of the Visual C++ Redistributable. An outdated package might not contain vcruntime140_1.dll or may provide an incompatible version.
• System File Integrity Issues: If critical Windows system files are missing or damaged, the system might have difficulty managing DLL files, including vcruntime140_1.dll.
• Malware and Virus Infection: Malicious software can delete or corrupt DLL files to destabilize your system or exploit vulnerabilities.

By identifying which of these scenarios matches your situation, you can choose the most effective solution. Now, let’s move on to step-by-step instructions to fix the "vcruntime140_1.dll not found" error.

Step-by-Step Guide to Fix the "vcruntime140_1.dll Not Found" Error

1. Restart Your Computer
   Sometimes, a simple restart can resolve temporary system glitches that affect the detection of DLL files. Before diving into deeper fixes, restart your PC to check if the error persists.
2. Reinstall the Problematic Application
   If you only encounter this error with a specific program, uninstalling and reinstalling the application may restore or repair missing or corrupted files.
   • Open Control Panel > Programs > Programs and Features.
   • Find the problematic application, select it, and click Uninstall.
   • Download the latest version of the software from its official website and install it, following the on-screen instructions.
3. Download and Install Microsoft Visual C++ Redistributable Package
   A common solution is to repair or reinstall the Microsoft Visual C++ Redistributable package, which provides the vcruntime140_1.dll file.
   • Go to the official Microsoft website and download the latest supported versions of the Visual C++ Redistributable for Visual Studio 2015, 2017, 2019, and 2022. Choose both x86 and x64 versions, as some applications require both, regardless of your system type.
   • Double-click the downloaded files and follow the installation prompts. If prompted, choose the "Repair" option to fix an existing installation.
   After completing the installation or repair process, restart your computer and check if the error has been resolved.
4. Perform a System File Checker (SFC) Scan
   The System File Checker is a Windows utility that scans and repairs corrupted or missing system files, which may resolve the DLL issue.
   • Press Windows Key + S, type "cmd", right-click on "Command Prompt," and choose "Run as administrator".
   • In the Command Prompt window, type: sfc /scannow and press Enter.
   • Wait for the process to complete. If any corrupt files were found and repaired, restart your computer.
5. Install Windows Updates
   Microsoft regularly releases updates and patches that address bugs and introduce new files that certain apps may depend on.
   • Go to Settings > Update & Security > Windows Update.
   • Click "Check for updates" and install any available updates.
   • Restart your computer after updates are installed.
6. Scan for Malware and Viruses
   Malware can interfere with critical system files, including vcruntime140_1.dll. Running a comprehensive virus scan can eliminate threats and restore system stability.
   • Use Windows Defender or a reputable third-party antivirus program to scan your entire system.
   • Quarantine or remove any threats found, then restart your computer.
7. Avoid Downloading DLL Files from Third-Party Websites
   While it might be tempting to download the missing DLL file directly from the internet, this is risky and can introduce malware or incompatible files into your system. Always obtain files and packages directly from official and trusted sources.
8. Check the Recycle Bin
   If you suspect that the DLL file was accidentally deleted, open the Recycle Bin and search for vcruntime140_1.dll. If found, restore it to its original location (typically C:\Windows\System32 or C:\Windows\SysWOW64).
9. Reinstall Windows (As a Last Resort)
   If none of the above methods resolve your problem, consider backing up your essential files and performing a clean installation of Windows. This step should only be used as a last resort, as it erases all existing data and applications.

Conclusion

The "vcruntime140_1.dll not found" error can be a significant stumbling block when using certain Windows applications. However, it is usually easy to resolve by following a few systematic troubleshooting steps. The most common and effective fixes include reinstalling the Microsoft Visual C++ Redistributable, repairing or reinstalling the affected application, running system integrity checks, and ensuring your system is free of malware.

By understanding the potential causes behind the missing or corrupted DLL file, you can select the most appropriate solution and minimize downtime. Remember, always rely on official sources when downloading software and libraries, and consider regular system maintenance practices, such as keeping your OS and software up to date, to avoid similar issues in the future. If all else fails, reaching out to the support team for the specific application or seeking help from a qualified technician may be necessary. With the right approach, you will be able to restore your system and get back to using your favorite programs without hassle.