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Runtime Error R6034 – Free 11 Methods To Fix

Runtime Error R6034 most common cause a conflict between two programs installed on the Windows PC. When two programs share the same runtime libraries, the system fails to load Microsoft Visual C++ runtime library correctly, which can cause a conflict that triggers the error. The affected software, application, or even the whole operating system can crash or stop responding, leading to data loss or corruption. Corrupted system files, malware or virus infection, software incompatibility, or conflicts with other programs can also cause an error on all versions of Windows (Windows 11, Windows 10, Windows 8, Windows 7, Windows XP). The pop-up message specifies that “An application has made an attempt to load C runtime library incorrectly. Please contact the application’s support team for more information“.

Error Code R6034
Error type Windows Run time error
Error message Runtime Error! Program: C:/xxx R6034 An application has made an attempt to load the C runtime library incorrectly. Please contact the application's support team for more information.
Device type Windows 11, Windows 10, Windows 8.1, Windows 8, Windows 7, iTunes
Error Causes Duplicate copies of the Microsoft Runtime Library versions Corrupted Microsoft Visual C++ Error by Apple file OS System error

Table of Contents

Focused Guide Fixing R6034 Error

If this fault is a trouble creator for you, it might be because of some registry errors, malware infection, outdated drivers, or other problems that can cause it. Diagnose and indicating the error cause will help to speed up the fix process. Facing a runtime error R6034 on Windows 10, Windows 8.1, and Windows 7 error can cause the most popular following cases:

    • Damaged Corrupted Microsoft Visual C++ 2010.
    • Corrupted Windows registry file.
    • Faulty iTunes app.
    • Invalid 3rd party software or hardware.

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Pop-up of error r6034

Method 1: Reinstalling the Microsoft Visual C++ to Fix Error R6034

Reinstalling the Microsoft Visual C++ runtime library replaces broken or missing files, which may have caused the Microsoft Visual C++ runtime error R6034. The newest Microsoft Visual C++ version will guarantee stable system performance.

  1. PressĀ the Windows key+X.
  2. Click on Apps and FeaturesĀ and clickĀ OK.
  3. Search forĀ Microsoft Visual C++.
  4. Right-click on it and select the optionĀ Uninstall all versions ofĀ Microsoft Visual C++ Redistributable.Ā 
  5. From the official website download the latest Microsoft Visual C++ versions (install both 8 and 64 versions).Ā 
  6. Click on the downloaded file to install it to the system.
  7. Restart your computer.

Method 2: SFC Scan to Resolve R6034 Error in Windows

In-build Windows tool:Ā System File CheckerĀ scans, detects, and replaces damaged system files. This utility automatically does its job and can fix your operating system. Error code R6034 occurs when a Windows system when a program or application tries to load a C runtime library incorrectly. SFC scan and replace corrupted files solving the problem.Ā 

  1. In the Windows search bar, type:Ā command prompt.
  2. Click onĀ Run as administrator.
  3. In the opened cmd window, type:Ā sfc /scannow.
  4. The Windows OS tool will scan and fix errors automatically. Just wait several minutes.
  5. Restart PC.
Running Windows sfc/scannow

Method 3: DISM Tool to Fix Runtime Error R6034

Deployment Image Servicing and Management is a command-line tool that repairs corrupted or damaged Windows operating system files automatically. It’s recommended to run DISMĀ utility if the SFC scan hasn’t fixed CRT library causing runtime error R6034.

  1. Run Command Prompt as administratorĀ option.
  2. In the Command Prompt tab, type (copy/paste) –Ā Dism /Online /Cleanup-Image /RestoreHealthĀ command, pressĀ EnterĀ on the keyboard to start DISM repair.
  3. Restart PC.
Running Windows DISM fix tool

Method 4: Fixing Runtime Error R6034 by Running the Program as Administrator

Running the program causes of runtime error R6034 as an administratorĀ may sort out the problem. By default, your OS is not allowing full permissions to programs and applications. Granting administrator rights (Full files and registry permissions) to the faulty application can help to solve the issue.causes of runtime error R6034

  1. Right-click on the faulty program icon and choose the Run as administrator option.
  2. Confirm administrator privileges by clicking Yes.
How to run run program as administrator

Method 5: Fix Windows Error Code R6034 With Automatic Startup Repair

Windows automatic startup repair is a system troubleshooting tool. After Windows OS restarts, the utility starts automatically. The tool scans your computer’s system files, registry settings, and other critical system components to identify the root that cause Runtime error R6034.

  1. Go to the WindowsĀ Start menu.
  2. Click on theĀ Power button.
  3. At the same time, hold theĀ Shift keyĀ + click on theĀ RestartĀ option.
  4. On choose an option screen, selectĀ Troubleshoot.
  5. On the troubleshoot screen, click onĀ Advanced Settings.
  6. On the advanced settings screen, click onĀ Startup Repair.Ā 
  7. The system will restart and load theĀ Startup RepairĀ window.
  8. Choose your recent Windows user account and enter the password if needed.

Method 6: Resolving Runtime Error R6034 by Loading Windows in Safe Mode

The option to load Windows in Safe Mode can help to remove Runtime Error R6034. Safe mode is a diagnostic startup that loads just the most necessary system resources. It quarantines third-party utilities and unnecessary system drivers to eliminate system conflicts.

  1. Click on the restart computer option by holding theĀ ShiftĀ button at once.
  2. Go toĀ Advanced Options, like in fix method 5.
  3. Click on theĀ Startup settings and confirm restart option.
  4. Windows system will restart intoĀ Safe ModeĀ automatically.

Method 7: Disabling Unnecessary Services to Fix Runtime Error R6034 in Windows

You need to disable all unnecessary services on your Windows system. Third-party software can interrupt your faulty app and cause Runtime Error R6034.Ā It is importantĀ that loading a Clean Boot is just a temporary solution to detect services that cause an error. After identifying the error cause, you must enable the services to the previous mode.

  1. In the Windows OS search bar, type:Ā system configuration.
  2. OpenĀ the system configuration window.
  3. In the system configuration window, choose theĀ servicesĀ tab.
  4. Mark the box toĀ Hide all Microsoft services.
  5. On the right side, click on theĀ DisableĀ all button.
  6. ClickĀ OKĀ to confirm changes.
  • If the error has gone, loadĀ the system configuration serviceĀ tab and enable one choice at a time until the faulty service causing the error is found.

Note: Do not forget to enable all disabled services by clicking the buttonĀ Enable AllĀ (except the error causing).

Step to enable a clean boot

Method 8: Fix Runtime Error R6034 by Installing Windows Updates Manually

Windows OS is not always installing all updates automatically. You need to do it manually by checking if your system is up to date. It is essential to install all suggested updates to your OS. The update fixes previous system faults that can cause error code R6034.

  1. In the search bar, typeĀ Windows UpdateĀ and select the Windows Update option.
  2. Check theĀ optional quality update available sectionĀ and click onĀ Download and Install.
  3. Click on theĀ Check for updatesĀ button on the Windows Update screen to check the newest available updates.
  4. SelectĀ all available updatesĀ to install.Ā 
  5. Click on theĀ Install UpdatesĀ button.
Check and download Windows updates

Method 9: Scan System for Malware/Virus to Fix Runtime Error R6034

Your Computer’s operating system can be affected by malware or virus and can cause runtime error r6034. If you use third-party protection software, update it and scan your OS system. We recommend using the official Microsoft Windows Defender scanner. It is a free and completely safe tool.Ā 

  1. TypeĀ Windows DefenderĀ in the Windows search bar.
  2. Click onĀ Virus & threat protectionĀ in the Windows Defender Security Center.
  3. Click on theĀ Scan options.
  4. SelectĀ Full Scan.
  5. Click on theĀ Scan nowĀ button.

Method 10: Fixing R6034 Runtime Error by Uninstalling and Reinstalling the Problematic Program

The effective and fast way is completely remove the program or application causing the R6034 runtime error. It is important to search for the newest version of the software that triggerd the error and install it on the Windows operating system.Ā  Ā  Ā  Ā Ā 

  1. CloseĀ the program or application that is causing the error.
  2. On your keyboard, press theĀ Windows key + I.
  3. From the menu, please choose the optionĀ AppsĀ and click on it.
  4. On the list,Ā look upĀ for program or application that is causing the runtime error.Ā Ā 
  5. For the uninstallation process, just press onĀ Uninstall button and follow removal instructions.Ā 
  6. Download and installĀ the new version of the desired program or application.
How to uninstall the application

Method 11: Fix error R6034 on iTunes

If you are getting this error while you are trying to update or run your iTunes application or any other apple-related application. It is happening because of incompatibility of newer version softwares files with your pre-installed version. In this case, you need to remove all existing apple applications completely in a sequence as given below and then download and install fresh applications from apple’s official website.

  1. Uninstall iTunes from Windows OS like in fix method 10.
  2. Download and install the newest version of iTunes.
Uninstall iTunes from the system

Error occurs when an application built with Microsoft Visual C++ attempts to load the C runtime library (CRT) incorrectly.

The conflict between the CRT library used by the application and the version of the CRT library installed on the computer.

Error it can cause Windows OS serious stability and performance problems.

Steps to fix the error:

  • Updating the CRT library
  • Reinstalling the application
  • Restoring the system to a previous state
  • Disabling the program compatibility assistant

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