• The Application has been blocked from accessing graphics hardware is an error message that can appear at the bottom right of the Windows 10 desktop. The error message appears when some users try to play Windows or browser games.
• The error can be due to corrupted graphics card system files, so the System File Checker, which scans for and repairs corrupted system files, can potentially resolve the issue.
• System errors are usually pretty serious so don't delay the intervention. Read our article from the  System errors section for possible solutions.
•  If an error is nagging you, go to our Windows 10 errors Hub for a quick solution.

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The Application has been blocked from accessing graphics hardware is an error message that can appear at the bottom right of the Windows 10 desktop.

The error message appears when some users try to play Windows or browser games.

It is a graphics issue that stops games from running. These are some of the resolutions that might fix the Application has been blocked issue in Windows 10.

What to do if Application has been blocked from accessing graphics hardware on Windows 11?

This issue can appear if you don’t have the necessary privileges which may result in Access is denied message. If you can, try using an administrative account and check if that helps.

In some instances, it’s even possible that the administrator has blocked you from running an app, and if that’s the case, you might have to contact the administrator.

This issue can also occur if your Nvidia graphics card is not detected. Users reported this issue in Firefox and in games, but luckily for you today we’ll show you how to unblock an application from accessing graphics hardware.

What to do if apps have been blocked from accessing GPU

How can I fix Application has been blocked errors?

1. Run a System File Checker Scan

The Application has been blocked error can be due to corrupted graphics card system files. So the System File Checker, which scans for and repairs corrupted system files, can potentially resolve the issue.

This is how users can run an SFC scan within Windows 10.

Input ‘DISM.exe /Online /Cleanup-image /Restorehealth’ within the Command Prompt, and press the Enter key.

2. Reinstall the Graphics Card Driver

The Application has been blocked error often arises as a consequence of an incompatible or corrupted graphics card driver. Some users have stated that the error message pops up after a Windows 10 build update.

So the graphics card driver might be misconfigured after an update Thus, reinstalling the video card driver might resolve the issue. Users can reinstall the graphics card driver as follows.

Double-click Display adapters to expand that category.

Alternatively, if you need more assistance, you can get a dedicated driver updater software. It can save you some time and hassle with automatic updates and additional optimization features.

3. Edit the Registry

Increasing the TDR (Timeout Detection and Recovery) time is another potential resolution for the Application has been blocked error. Users can raise the TDR time to about eight seconds.

To do that, edit the registry as follows.

Select the GraphicsDrivers key on the left of the window.

Type TdrDelay as the QWORD or DWORD title.

4. Roll Windows 10 Back to a System Restore Point

System Restore can fix numerous issues as it undoes system changes after a selected restore point.

So that utility might also fix the Application has been blocked error if users can select a restore point that will roll Windows 10 back to a time when the error message did not pop up on the Windows 10 desktop.

This is how users can roll back to the previous version of Windows 10.

Enter ‘rstrui’ in Run, and click the OK button.

The System Restore window might include a Show more restore option. Select that option if you can expand the restore point list.

Note that users can’t roll Windows 10 back to previous build versions with System Restore. However, the Settings app will temporarily include an option to restore the previous version.

Then users can still restore a previous Windows 10 version for about 10 days after a build update.

To do that, click the Type here to search button on the taskbar. Then enter update in the search box, and select Recovery options to open Settings.

Press the Get started button under the Go back to previous Windows 10 version subheading.

Restoring your system to a previous state can fix a number of system issues. A simpler way to safely restore your system is using a specialized tool that can do all the work for you.

Restoro will automatically scan your PC for problematic files and will replace all critical Windows system files that are malfunctioning with previous versions that are working perfectly.

Here’s how you can perform this action:

The built-in system restoration tool will revert your Windows to a previous version, therefore you can lose some precious data that was saved after the restoration point was made. You can always return your system to its pre-repair condition.

⇒ Get Restoro

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

Those resolutions might kick-start games that the Application has been blocked error message pops up for. If anybody has another resolution that fixes the same issue, feel free to share it below.

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