7 Ways to Fix Visual C++ Runtime Error R6034 Error Windows 10/8/7

The Visual C++ Runtime Error R6034 is very common to the users and it may appears when you launching, closing or working on an application, booting your PC or, playing games. A Runtime Error might be occur due to hardware or software problem and it prevents system from working correctly. The runtime Error R6034 may appear any time along with different types of messages as follow:

Runtime error r6034 microsoft visual c++ runtime library C:\windows\explorer.exe
Error: R6034 Runtime Error! An application has made an attempt to load the C runtime library incorrectly. Please contact the application’s support team for more information
How to Fix Runtime Error R6034 in Windows PC

As I said above, that this error may appear any time along with different types of messages so it is not possible to list out all the error messages here but, I can list all the possible solutions to remove this error.

Method 1: Fix Using Advanced System Repair Tool.

The most of the common reason behind runtime error is corrupted or damaged system files like DLL files, EXE files, sys files etc. There are thousands of tiny system files are there that work specific task. If one of the files gets replaced, deleted or damaged then you may get Runtime Error R6034.

Windows is made with huge number of dll files, exe files, sys files, various types of services, databases, etc so, it is not possible to keep monitoring all the files always. A brilliant PC Optimizer tool repairs damages, fix errors, update windows and drivers, and eliminate various types of errors silently.

Outbyte PC Repair Tool does all the above task easily and provides you an errorfree and smooth Windows environment to work so that you can focus on your business only.

3 Steps to Fix this Error
Step 1. Download Outbyte PC Repair Tool [File Size: 16.4 MB]
Step 2. SCAN your Windows PC
Step 3. Click Fix button to Repair Error

Download and Install Advanced System Repair Tool and scan your PC. It has the large database with 25 million files. It will find all the damaged or deleted system files and reinstall them with the fresh one. After, optimizing with Advanced System Repair Tool, try to start software again.

Method 2: Run Program as Administrator

If you are getting this runtime error with the fixed application then do the following steps to fix it.

1. Right click on the application and go to Properties.
2. Go to Compatibility Tab and then check the checkbox “Run this program as administrator”. Apply and OK.

Method 3: Run System File Checker Tool

Most of the time, Runtime Error R6034 appears when one of the dependable file becomes corrupted, damaged or replaced by other software. This dependent file may be dll file, exe file, sys file etc. Run System File Checker tool to fix corruption of this file.

1. Open Command Prompt as Administrator


2. Run following command and press Enter.

sfc /scannow
sfc scannow

3. Wait until process finish.
Note: If System File Checker doesn’t perform well then you need to use an alternative software as “Advanced System Repair Tool”.

Method 4: Remove software/hardware/driver that is installed recently.

Are you getting R6034 Runtime Error, after installing a piece of hardware devices, software or driver? If so, then remove it and test your PC against R6034 Runtime Error again. If this fixed your problem then surely you are not using compatible hardware, software or driver. Check their official site for compatible software/driver or Update driver to latest version.

Method 5: Install Updates for Windows 10

Updating Windows might fix a lot of problems. You must install updates on Windows 10 in order to troubleshoot Microsoft Visual C++ Runtime Library Error R6034. Updating windows install hotfix and patches for various trouble.

Method 6: Repair Microsoft Visual C++ 2012 Redistributable File

Repairing Microsoft Visual C++ 2012 Redistributable file may give you quick fix of your problem.

1. Go to Control Panel > Uninstall a Program


2. Select Microsoft Visual C++ 2012 Redistributable package and Right click on that and select Change.


3. Click on Repair button to start repair.


4. You will see that repair is in processing.


5. After finishing the process it will prompt you for restarting your PC.


Method 7: Repair Registry File

If Windows Registry File got corrupted or damaged then you may also get “Runtime error r6034 microsoft visual c++ runtime library C:\windows\explorer.exe” problem. Either Restore Registry File from backup or use Advanced System Repair Tool to fix registry problem.


This article covers information about how to fix R6034 Runtime Error in Windows 10/8/7. If you got more ways to fix this issue please share your ideas in comments. Thanks.

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