How to Fix Msvcr71.dll Errors

The DLL file Msvcr71.dll belongs to the Microsoft Visual C Runtime library version 7.1 engine. This file is a core Windows component used by several Windows applications such as Microsoft Visual Studio.NET versions 2002, 2003 & 2005 and Microsoft Office version 2002 & 2003 that have Microsoft C++.NET. This DLL file is also used by a few other Microsoft and non-Microsoft applications.

Your Windows XP operating system and other Microsoft and non-Microsoft applications need msvcrt.dll for items such as mouse functions, drop-down menus, scroll bars and buttons.
Some of the Msvcr71.dll error messages that you may come across while working on your Windows computer are listed below:

The application has failed to start because MSVCR71.dll was not found. Reinstalling this application may fix this problem.

Msvcr71.dll cannot be found.

Program_File failed because MSVCR71.dll was not found.
There can be many reasons for these missing Msvcr71.dll errors. Some of the most common reasons are listed below.

  • A faulty application or software program was installed on the PC.
  • There are outdated or obsolete files on the system.
  • A more current version of the file was overwritten by an older version when an application was installed.
  • Installation files of a currently installed program such as Microsoft Office are damaged.
  • Malware infections.
  • Damaged Registry.

Given below are a few steps that you can perform to repair and prevent Msvcr71.dll errors on your PC.

How to Fix Missing Msvcr71.dll Error In Windows 7

The best way to fix missing Mscvr71.dll error on a Windows 7 PC is by copying the file to its correct location on the computer. The location for these files is different from a 32-bit Windows 7 computer and a 64-bit Windows 7 computer.

On a 32-bit Windows 7 computer, copy the DLL file to the Windows/System32 computer.

On a 64-bit Windows 7 computer, copy the DLL file to the Windows/SysWOW64 computer.

If you have another Windows 7 computer with similar configuration, it will be best if you obtain the DLL file from this computer and copy it to its respective location on your computer. If this is not possible, you can download the file from here and copy it to your computer in the correct folder. This download comprises Msvcp71.dll and Msvcr71.dll files in a zip file. Copy Msvcp71.dll only if it is generating a missing file error.

In case, the error still appears, register the DLL file, be performing the following steps:

  1. Click Start and type cmd in the Start Search box.
  2. Right-click cmd.exe in the Programs list and select Run as administrator.
  3. At the command prompt type the following command and press Enter to register the DLL file:
    regsvr32 msvcr71.dll

How to Fix Missing Msvcr71.dll Error on Windows XP Media Center Edition or Windows XP Tablet PC Edition with Microsoft .NET Framework 1.1

Missing Msvcr71.dll error may appear Windows XP Media Center Edition or Microsoft Windows XP Tablet PC Edition computer with Microsoft .NET Framework 1.1 when you try to repair the operating system. This usually happens due to some problem with an application known as Copy2gac. To fix this error, perform the following tasks:

  1. Open Notepad.
  2. Type in the following commands in it:
    <configuration>
    <startup>
    <requiredRuntime version=”v1.0.3705″/>
    </startup>
    </configuration>
  3. Save the Notepad file in the “<SystemRoot>Windows \Microsoft.NET\Framework\v1.0.3705” folder and name it Copy2gac.exe.config.
  4. Try to repair your operating system again.

Common Tasks to Fix the Missing  Msvcr71.dll Error

Listed below are some of the steps that you can perform on all Windows operating systems to fix the missing DLL file error:

  1. Check the Recycle Bin: If the DLL file is accidently deleted, it is quite likely to be in the Recycle Bin. So, check it there and if you find it, restore it.
  2. Reinstall the software that is generating the error: If the error started appearing soon after you installed a new application or device driver, it is quite possible that the error is occurring due to problems in the installation. To rectify the error in this case, uninstall the software you installed and reinstall it. If your installation files are faulty or the disk you are using to perform the setup is damaged, you must reinstall the software only after you have healthy and error-free installation files with you.
  3. Scan for Malware infections: Malware infections are a common cause of several computer errors, including missing DLL file errors. So, it is a good idea to run a thorough full system malware scan and fix any issues if an infection is detected.
  4. Perform System Restore: Have you made any major changes to your computer settings? If yes, try to perform a system restore to a date before you made these changes. If these changes are the cause, then System Restore should be able to fix the error.
  5. Check for driver related issues: Check your system for outdated drivers. If a driver uses the Msvcr71.dll file, updating it should be able to fix the error. On the other hand, if the errors start appearing soon after you install a new driver update, try to rollback this update to fix the error message. You can perform these tasks by using the Windows Device Manager utility. However, if you find this utility difficult to use, you may opt to use a reliable third-party driver manager tool.
  6. Run System File Checker: Run the sfc/scannow command to replace missing or corrupt dll files on the system. You will need Windows installation CD to perform this task.
  7. Update Windows: Update your PC for any available and required hotfixes, patches, security releases, and service packs released by your operating system, software applications, and device driver manufacturers. This is important because many DLL-related errors are caused due to outdated and invalid files. Keeping your system updated not only helps you in preventing several computer errors, but also helps you enhance the security of your system and improve its performance.
  8. Check the system registry: Use a reliable registry tool to scan, clean and repair any issues with the registry.
  9. Check your System Hardware: Use a hardware diagnostics tool to run diagnostic tests on the system hardware, particularly CPU, system memory and hard disk. If any issues are detected, you may have to get the hardware component replaced.
  10. Reinstall Windows: For this, first backup your data and then reinstall Windows. Reinstalling will fix any issues with system files. If this does not work, you may have to perform a clean install by formatting the system hard disk. If you are not comfortable doing this on your own, seek help of a computer professional.

It is important to be vigilant while you are installing and uninstalling applications from your computer. Never overwrite a shared DLL-when installing an application-unless you are sure that it is not used by any other application on your system. In the same way, never remove a DLL file-when uninstalling an application-unless you are certain that no other application on the system requires it.