Skip to main content
How Can We Help?
    • Articles coming soon
    • Articles coming soon
    • Articles coming soon
    • Articles coming soon
    • Articles coming soon

Driver Overran Stack Buffer

If your Windows PC suddenly shows a blue screen (BSOD) with the error message “Driver Overran Stack Buffer,” there’s no need to be concerned. Many users come across this confusing error, where the screen crashes, the computer restarts, and it’s unclear exactly what caused the problem.

In simple terms, this error happens when a driver uses more data than the limited space in system memory, known as the stack buffer, can handle. To prevent potential damage, Windows automatically turns off the system.

In this guide, we will explain step by step what the DRIVER_OVERRAN_STACK_BUFFER error means and provide a permanent solution—even if you have no technical knowledge.

What is Driver Overran Stack Buffer?

The DRIVER_OVERRAN_STACK_BUFFER error is a Blue Screen of Death (BSOD) with the technical code 0x000000F7. In simple terms, it means a driver tried to use more memory than was allowed for its stack buffer, which made the system unstable.

Microsoft considers this behavior a security risk, and as a protective measure, Windows crashes the computer to prevent any unauthorized code from taking control of the system.

How to Fix Driver Overran Stack Buffer

Follow the steps outlined below in order. Each method is considered safe, but warnings are given prior to any steps that may involve risk.

1. Restart Your PC

  • Restart your computer as usual.
  • If the error does not happen again after the restart, it was probably caused by a temporary glitch; however, if the error returns, continue with the next methods.

This method works because the error may occur due to a temporary memory glitch or a conflict with a background process. Restarting the computer clears the system memory and can resolve minor problems automatically.

2. Update drivers from Device Manager

  • Press Win + X keys on your keyboard and choose Device Manager.
  • Click the right mouse button on the device that has a yellow exclamation mark (!) and pick “Update driver.”
  • Choose the “Search automatically for drivers” option and allow Windows to install the latest driver.

This method works because most Driver Overran Stack Buffer errors are caused by outdated or damaged drivers. Updating the driver replaces the faulty code and removes the risk of a stack buffer overrun.

3. Install Windows update

  • Open Settings by pressing Win + I.
  • Navigate to the Windows Update section.
  • Click on “Check for updates,” install any updates that are available, and then restart your computer.

This method works because Microsoft frequently releases driver updates and fixes for system issues through Windows Update. Installing the most recent updates helps to automatically address any known compatibility problems.

4. Run SFC and DISM Command

  • Type “cmd” in the Start menu, right-click on the Command Prompt, and choose “Run as administrator.”
  • Next, enter the command and press Enter: sfc /scannow
  • Once the scan is complete, run this command: DISM /Online /Cleanup-Image /RestoreHealth

This process works because SFC (System File Checker) identifies and replaces any damaged system files, while DISM repairs the health of the Windows image. Damaged files can lead to driver crashes and other system issues.

Warning: Be cautious when entering commands in the Command Prompt. Entering the wrong command can change system settings and potentially cause problems.

5. Check RAM using Windows Memory Diagnostic Tool

  • Press Win + R together, type ‘mdsched.exe‘ into the box, and press Enter.
  • Choose the ‘Restart now and check for problems (recommended)’ option.
  • The computer will restart and automatically test the RAM; the results will show up in a notification or in the Event Viewer after the restart.

Why it works: Faulty RAM can damage stack memory, causing issues like driver overruns. This tool helps find problems with the physical memory.

6. Use System Restore

  • Type “Create a restore point” into the search bar and open it.
  • Click on the “System Restore” button.
  • Choose a date when your system was functioning properly and follow the steps to complete the restoration process.

This method works because System Restore returns your computer to a previous stable condition, automatically reversing any recent changes that may have caused issues, such as faulty drivers or software.

Warning: System Restore may uninstall recently added programs, but your personal files will remain unaffected. Make sure to save any important work before proceeding.

Conclusion

There is no need to become scared if you faced the Driver Overran Stack Buffer error; in most situations, it can be fixed by updating your drivers, running Windows Update, or performing a System Restore. Follow the steps provided in order, and if one approach does not work, proceed to the next one.

To help prevent this issue in the future, always make sure your system drivers and Windows are up to date. When downloading new drivers, only use the official website of the manufacturer. This will help maintain your PC’s stability and greatly reduce the chances of experiencing such blue screen of death errors.

Table of Contents