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Home » How to Fix runtime error R6027 on Windows 10/11

How to Fix runtime error R6027 on Windows 10/11

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When installing or launching an app, you may encounter the Runtime Error R6027, causing interruptions in the program installation or loading process. In this article, we will guide you on how to resolve this error on your Windows 10/11 PC.

Why did Runtime Error R6027 occur?

There isn’t a specific reason why this error appears, but by examining certain aspects of your PC, you may be able to resolve it. Some of the most common reasons behind this error include:

  1. Missing or Corrupted Visual C++ Runtime Library: Ensure that the compatible Visual C++ Runtime Library is installed and not corrupted.
  2. Outdated or Corrupted Application: Check if the application experiencing the error is outdated or corrupted.
  3. Missing or Corrupted DLL File: Verify if the corresponding DLL file is present and not corrupted.
  4. Conflict with Third-Party Software or Driver: Identify if any third-party software or driver is conflicting with the affected application.
  5. Outdated Windows OS and Drivers: Ensure that your Windows operating system and drivers are up-to-date.

By addressing these potential issues, you can increase the chances of resolving the Runtime Error R6027 on your PC.

How to fix Visual C++ Runtime Error R6027?

As the first step in resolving the issue, restart your computer. Restarting is often an effective remedy for various digital devices encountering errors. Many times, a simple restart can effectively fix the problem.

Solution 1: Optimize your PC.

An unoptimized PC can lead to numerous errors and sluggish performance. Utilize an effective PC optimizer tool to address and repair these errors, optimizing your computer for peak performance. Consider trying the Outbyte PC Repair Tool to efficiently fix and optimize errors on your computer.

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

Solution 2: Repair the application.

To resolve the Runtime Error R6027, you can also repair the installed program. Simply navigate to the control panel, then go to ‘Uninstall a program.’ Locate the application causing the issue, right-click on it, and select ‘Change/Repair‘.

Repair a program through control panel.

Solution 3: Reinstall the application.

If repairing the application proves ineffective, consider reinstalling the program. To do this, visit the official website to download the original software.

Solution 4: Repair Microsoft Visual C++ Runtime Library

It’s also essential to repair the pre-installed Microsoft Visual C++ Runtime Library from the control panel. Here is a step-by-step procedure for repairing the MSVCR file.

Repair MSVCR Package
Step 1: Open Settings. Go to Apps > Apps & Features.
apps & feature in windows 10/11
Step 2: Here, find all the installations with the name of “Microsoft Visual C++”, click on them and if Modify button is enabled, click on the Modify button.
Step 3: User Account Control dialog box will appear and will ask for your administrative permission. Click on the Yes button.
Step 4: The setup will start processing and you will see the following dialog box on the screen.
Step 5: After completing the repairing process, you will see the Setup Successful message on the screen.
Step 6: Do the same operation for all the MSVCR Installation which has enabled Modify button.
Step 7: Make a simple reboot and you have successfully repaired all your MSVCR Installation.

Solution 5: Download and install the latest MSVCR package.

Ensure that your computer has the latest MSVCR file installed. You can verify and update it by visiting the following link to download and install the latest MSVCR package.

Install latest MSVCR Package
Step 1: To download this file, just google “Download Microsoft Visual C++ Redistributable” or open the following link. This library is free to download, install and use.

Step 2: Download the MSVCR Library file according to your System Architecture. If you don’t know what your System Architecture is, just click on Start Menu and search for “System Information”.
Step 3: Open System Information and here, you can see your CPU architecture.
Step 4: Download MSVCR Library and double click on it to install it.

Solution 6: Try clean boot mode.

Frequently, previously installed software or drivers can conflict with the affected application, leading to the runtime error R6027. Initiate a Clean Boot Mode on your Windows PC and assess whether the error R6027 persists.

Clean Boot Mode - Step by Step
Step 1: Go to Start Menu and search for msconfig. Select System Configuration from the search results.
Windows 10 Clean Boot
Step 2: Click on Service Tab and check the Hide all Microsoft services check box. Next click Disable All button.
Windows 10 Clean Boot
Step 3: Go to Startup Tab and click Open Task Manager link.
Windows 10 Clean Boot
Step 4: Go to Startup Tab in the Task Manager and Disable all the Startup Item.
Windows 10 Clean Boot
Step 5: Close the Task Manager and Click OK in System Configuration Dialog Box and then Restart your PC.

Solution 7: Update everything.

It is also crucial to keep everything on your Windows PC up to date, including installed software, drivers, and the Windows operating system itself. Updating ensures that all software and drivers are using their current versions, minimizing conflicts and potential issues.

Update Windows, Drivers, and Apps - Step by Step
[Update Windows]
Step 1: Go to Settings ➜ Windows Update. Click on the Check for updates button and if shows any pending updates, download, and install them.
windows update settings in windows 11 & 10
[Update Drivers]
Step 2: Go to the Device Manager. Find the outdated drivers, right-click on them, and select Update.
[Update Apps]
Step 3: Open Microsoft Store. Go to the Library and click on the Get updates button.
update ms store apps


If your PC is experiencing the Runtime error R6027, you can employ various solutions to address this issue. These include installing the latest version of the application and MSVCR package, repairing previously installed MSVCR packages, attempting a clean boot mode, and ensuring that everything on your system is up to date through regular updates.