Usually, you will encounter this error when your device has an incompatible display driver. However, there are several causes of this problem and we will explore them in detail in the following article.
1. Run the application with admin rights
One of the best ways to solve this problem is to run the problematic application with admin rights. When you do this, the program will have access to a number of features, including graphics hardware.
2. Customize graphics performance options for the affected application
Step 1: Navigate to Start Menu > PC Settings > System > Display and select Graphics settings.
Step 2: Next, search for the application by clicking the Browse button in the Choose an app to set preference option.
Step 3: Select the application and then press the Add button. Follow the on-screen instructions to complete the process.
3. Configure app compatibility mode settings
Step 1: Click on the Windows search bar and enter the program name.
Step 2: Right-click on the program and select Open target folder.
Step 3: Next, right-click the application’s executable (.exe) file and click Properties.
Step 4: Navigate to the Compatibility tab.
Step 5: Check the box Run this program in compatibility mode for.
Step 6: Next, click on the drop-down menu below this option and select a relevant option. Click Apply > OK when you’re done.
If the problem persists, you can now try running the compatibility troubleshooter. Here’s how to do it:
Step 1: Navigate to the Compatibility tab following the previous steps.
Step 2: Click the Run the compatibility troubleshooter button.
Step 3: Select Troubleshoot program in the next window.
Step 4: Check the relevant boxes based on the problem you are facing. Click Next when you’re done.
Follow the on-screen instructions to complete the process.
4. Update or reinstall the display driver
Step 1: Open Device Manager and double-click Display adapters.
Step 2: Right-click the Display adapter and select Uninstall device.
Step 3: Finally, navigate to the Action tab and select Scan for hardware changes.
When the scan is complete, restart your PC to save these changes.
5. Run Hardware and Devices troubleshooter
Step 1: Navigate to Start Menu > PC Settings > Update & Security and select Troubleshoot in the left pane.
Step 2: Scroll down on the right pane, click the Hardware and Devices option and click Run the troubleshooter. Follow the on-screen instructions to complete the process.
6. Use a system restore point
If this error started appearing recently, a system restore point can help. In this case, System Restore will return your PC to its previous state and eliminate any problems.
7. Configure Settings in Registry Editor
Step 1: Press Win + R to launch the Run dialog box.
Step 2: Type Regedit and press Enter to open the Registry Editor.
Step 3: Navigate to:
HKEY_LOCAL_MACHINE > SYSTEM > ControlSet001 > Control > GraphicsDrivers
Step 4: Right-click anywhere on the right pane and select New > DWORD (32-bit) Value.
Step 5: Name the new value TdrDelay and press Enter. Next, double click on the TdrDelay value and change its Value data to 8.
Step 6: Restart the PC to save these changes. If the problem is with the graphics card, then the TDR feature will solve the problem by resetting the card.
8. Updating the device
If all else fails, you may have to update your PC. Once the device is updated, you should be able to fix this and any other system problems.
It is really annoying when you randomly get the error “Application has been blocked from accessing graphics hardware”. However, fixing the problem is pretty easy – just apply whatever fixes the article has suggested.
