How to Fix R6025 Pure Virtual Function Call Error in Windows 10

The R6025 Pure Virtual Function Call error in Windows 10 is a common issue that can appear when launching certain applications or games. This error indicates a malfunction within the program due to an attempt to make a "pure virtual function call," which means the program is trying to access a virtual function without a proper implementation. Typically, this issue arises from library conflicts, coding errors, or outdated system components.

Causes of the R6025 Error

There are several reasons why the R6025 Pure Virtual Function Call error might occur, including:

  • Errors in the program code or incompatibility of libraries used by the application;
  • Outdated versions of programs or components, such as Visual C++ libraries;
  • Conflicts between installed programs, especially if they rely on different versions of the same software;
  • Incomplete or incorrect installation of software, which can disrupt the execution of certain virtual functions.

How to Fix the R6025 Error in Windows 10

There are several methods to resolve this error. Below are key steps to help you fix the issue:

1. Update or Reinstall Microsoft Visual C++

One of the most common causes of this error is an issue with the Microsoft Visual C++ library. Try reinstalling or updating it to the latest version:

  1. Visit the official Microsoft Visual C++ Redistributable page and download the latest version.
  2. Uninstall the old version through "Control Panel" > "Programs and Features".
  3. Install the downloaded package and restart your computer.

2. Run System File Check and Repair

Corrupted system files can also cause this error. To check for and repair any issues, use the SFC command:

1. Open Command Prompt as Administrator.
2. Enter the command: sfc /scannow and press Enter.
3. Wait for the scan to complete. If any errors are detected, the system will attempt to fix them automatically.

3. Update Drivers and System

Outdated drivers or Windows itself can lead to conflicts, especially when running games and applications. Check for updates:

  • Go to "Settings" > "Update & Security" and click "Check for updates".
  • Also, update drivers, especially for your graphics card, by downloading them from the official manufacturer’s website (such as NVIDIA or AMD).

4. Reinstall the Problematic Application

If the error occurs in a specific program, its files may be corrupted. Try reinstalling the application:

  1. Uninstall the program via "Control Panel" > "Programs and Features".
  2. Restart your computer and reinstall the program.

5. Use Compatibility Mode

Some older programs may not function properly on newer systems. Try running the application in compatibility mode:

  1. Right-click on the program shortcut and select "Properties".
  2. Go to the "Compatibility" tab and choose an older version of Windows, like Windows 7 or 8.
  3. Save changes and try launching the program again.