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29 January 2024  John Weaver  Senior Program Developer
 

Summary
Learn how to fix the "MSVCR71.dll is missing" error with ease by using our solutions. Don't let this common computer issue slow you down - read on for the answers you need.



Table of contents

table iconI. About MSVCR71.dll error
table iconII. How to solve the problem of missing MSVCR71.dll in Windows computer?
table iconIII. (Extended information) Use Renee Undeleter to recover lost data
msvcr71 dll missing

I. About MSVCR71.dll error

The file MSVCR71.dll is a dynamic link library (DLL) essential for Windows to execute various applications. DLL files come into play when an application needs to make use of a specific functionality. Commonly, errors associated with MSVCR71.dll surface when initiating an application, triggering the error message: "This application failed to start because MSVCR71.dll was not found. Re-installing the application may fix this problem." Such issues can arise due to several reasons, such as accidental deletion of the file, file corruption, virus or malware infections, or complications within the registry.
MSVCR71 dll error
Knowing the relevant information about MSVCR71.dll errors, let’s start to introduce some practical solutions one by one.

II. How to solve the problem of missing MSVCR71.dll in Windows computer?

1. Reinstall the wrong application

When we receive the prompt “This program cannot be started because MSVCR71.dll is missing from your computer. Try reinstalling the program to solve the problem”, the first thing we should try is to reinstall the problematic applications. Specific steps are as follows:
Step 1: Run the computer, and press the (Windows+I) key on the keyboard at the same time to open the settings interface. Then click the (Apps) option.
get into apps in windows settings
Step 2: Select (Apps & Features) on the left, select the problematic application on the right, and click the (Uninstall) button. After that, you can download and install those apps again.
Windows 10 uninstall apps

2. Install or reinstall Microsoft Visual C++ Redistributable

The Microsoft Visual C++ Redistributable includes the essential Microsoft C and C++ runtime libraries. One of these libraries is the MSVCR71.dll, which is a .dll file that serves as a Microsoft C runtime library. If you encounter an issue with a missing MSVCR71.dll, you can try installing or reinstalling the Microsoft Visual C++ Redistributable. This may resolve the problem. Here are the steps to follow:
Step 1: Check if Microsoft Visual C++ Redistributable is installed in your computer. Please right-click (Start), select (Apps and Features), and find Microsoft Visual C++ in the application list. If it is already installed, click on it and then click the (Uninstall) button. If it cannot be found, continue to the following operation.
uninstall Visual C++
Step 2: Visit Microsoft’s official website to find the Microsoft Visual C++ Redistributable. By searching for various versions of Microsoft Visual C++, you can access the corresponding interface to verify which systems are supported. For instance, the Visual C++ Redistributable for Visual Studio 2015 is compatible with Windows 10, Windows 7 Service Pack 1, Windows 8, Windows 8.1, and other operating systems.
Step 3: After selecting the correct version of Microsoft Visual C++ Redistributable, click the (Download) button.
Download Microsoft Visual C++
Step 4: Download the version according to your system type. If your system is 64-bit, please select (vc_redist.x64.exe). If it is a 32-bit system, select (vc_redist.x86.exe), and then click (Next).

3. Copy MSVCR71.dll from another computer

If the MSVCR71.dll file is not present, it can be obtained from a third-party site. However, if a reliable and appropriate download source cannot be found, it is advised to copy the missing file from a functioning computer to your own for safety purposes. To do so, follow these steps:
Step 1: On another computer, press (Windows+E) to open File Explorer.
Step 2: Connect the USB flash drive to your computer. Click on the (C:) drive, search for the (MSVCR71.dll) file, and copy it to a USB drive. If your computer is a 32-bit system, paste the MSVCR71.dll file into the (C:\Windows\System32) directory.
windows System32
If your computer is a 64-bit system, copy and paste the MSVCR71.dll file to the (C:\Windows\SysWOW64) directory.
copy and paste the MSVCR71 file to SysWOW64
Step 3: Then run the problematic application again to see if the problem is resolved.

4. Re-register MSVCR71.dll

Sometimes, despite being present in the system, MSVCR71.dll may seem to be missing when attempting to launch a program. In such cases, it may be necessary to re-register MSVCR71.dll using the following steps:
Step 1: Type (cmd) in the search bar, right-click the (Command Prompt) search result, and select (Run as administrator).
run as administrator
Step 2: Open a new window, paste regsvr32 msvcr71.dll into the command line, and press Enter to register the .dll file. Restart your PC to check if the problem has been resolved.
regsvr32 msvcr71 dll

5. Use antivirus software

Viruses may delete some files or replace them with damaged ones. In order to prevent the msvcr71.dll missing problem from reoccurring, you need to perform a virus scan. You can scan for viruses using Windows 10′s built-in antivirus software, Windows Defender, or third-party antivirus software. Let’s take Windows Defender as an example.
Step 1: Open (Settings) in (Start), and then click (Update & Security).
Windows update and security
Step 2: Under the (Update & Security), click the (Windows Security).
windows defender security center
Step 3: Click (Virus & threat protection), and then click (Quick Scan).

6. Use the SFC command to repair system files

SFC (System File Checker) is a built-in utility in the Windows system. The SFC command can scan all protected system files and repair the detected problems.
Step 1: Search (cmd) in the search box in the lower left corner, and select (run as administrator) to open the command prompt tool.
run as administrator
Step 2: To initiate a system integrity check, open the command prompt, type SFC /scannow, and press Enter. The System File Checker will begin scanning for and repairing any corrupt system files it detects.
run the sfc command

7. Perform System Restore

If you’ve previously made a Windows recovery point prior to encountering the “MSVCR71.dll is missing” problem, you can attempt a system restore. Here’s how:
Step 1: Right-click (Start), select (System).
open system
Step 2: In the (About) interface, click on the (System protection).
About Page in Windows 10
Step 3: Click the (System Restore) button under the (System Protection) tab. Select the last system restore point before the problem occurred, and click (Next). In the next interface, click the (OK) button.
System Restore Point thumb
If you find that a file is missing and the recycle bin does not find the file, you can try the data recovery software below to scan and restore it.

III. (Extended information) Use Renee Undeleter to recover lost data

1. What is Renee Undeleter?

Renee Undeleter is a professional data recovery software that can retrieve documents, photos, videos, and compressed files. It can recover files lost due to accidental deletion, recycle bin clearance, disk formatting, or partition deletion if the data isn’t overwritten. The software features file recovery, format recovery, partition recovery, and image creation modules to address various data recovery scenarios.
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2. How to recover lost files with Renee Undeleter?

Step 1: Download, install, and run Renee Undeleter on a Windows computer. Select the (Fast Partition Scan) option on the main interface.
Note: Do not install recovery software on the disk where data needs to be retrieved to prevent overwriting. Also, avoid saving new data to the partition where the file was lost to minimize the risk of further damage or permanent loss.
fast partition scan with Renee Undeleter
Step 2: Next, select the partition where the lost data is located and click on (Next).
scan disk with Renee Undeleter
Step 3: Select the (Fast Scan) option and click the (Next) button to scan.
Tips: The Fast Scan mode only scans the first 30GB of the remaining space of the selected disk. If the desired file is not found after scanning, you can use the Deep Scan mode to try to scan the hard disk partition again. It will take more time, but more data can be scanned.
fast scan lost data
Step 4: While waiting for the scan to finish, you can preview the file by double-clicking it. Then, select the file you want to recover and click the “Recover” button to restore it to a different disk.
recover files with Renee Undeleter