The installation of this device is forbidden by system policy

This post lists possible solutions for the error The installation of this device is forbidden by system policy, Contact your system administrator that you may see. When this error occurs, the installation process quits by displaying this message on the screen. It stops the installation of all types of programs like drivers, software, apps, etc.

Before you move ahead to the troubleshooting steps, try running the installer file as an administrator. If this does not help, please proceed to the solutions listed in this article.

The installation of this device is forbidden by system policy

We will describe here the following methods to fix the issue:

Using the Local Group Policy Editor.
Using the Software Restriction Policies.
Using the Registry Editor.

1] Using the Local Group Policy Editor

Disable the “Prohibit non-administrators from applying vendor signed updates” option using gpedit and see if it helps.

The steps to do this are listed below:

Press Win + R keys on your keyboard to launch the Run dialog box.
Type gpedit.msc and click OK.
Go to the path “Computer Configuration > Administrative Templates > Windows Components > Windows Installer.”
Double-click on the “Prohibit non-administrators from applying vendor signed updates” and select Disabled.
Click Apply and then OK to save the settings.

Restart your device.

2] Using the Software Restriction Policies

If the above method did not help you, try this one. Follow the below-listed instructions:

Launch Control Panel and open Administrative Tools. If you do not find this option in the Control Panel, use the search box.
Double-click on Local Security Policy to open it.
Click Software Restriction Policies. If no restrictions policies are defined there, create a new one. For this, right-click on it and select New Software Restriction Policies.
Now, double-click on Enforcement and select the “All users except local administrators” option.
Click Apply and then OK to save the settings.

Restart your computer and see if the problem persists.

Read: Troubleshoot Intel Graphics Drivers problems on Windows.

3] Using the Registry Editor

Follow the steps mentioned below:

Launch the Run dialog box, type regedit, and click OK. This will open the Registry Editor.

In the Registry Editor, go to the following path:

HKLM\Software\Policies\Microsoft\Windows

Expand the Windows key and look for the Installer subkey.

If the subkey is not there, you have to create it. For this, right-click on the Windows key and go to New > Key. Name this newly created subkey as Installer.

Select the Installer key and right-click on the right side of the interface and go to New > DWORD (32-bit) Value. name this Value as DisableMSI. If you already have the Installer subkey, look if it contains the DisableMSI Value. If not, create it.

Double click on DisableMSI value and set it to 0.

Restart your computer and see.