The installation of this device is forbidden by system policy

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How to deal with “Installation is prohibited by system policy” error in Windows

Windows PC repair 2 years ago

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What is the “Installation is prohibited by system policy” error?

What Causes the “Installation is Prohibited by System Policy” Error

How to fix “Installation is prohibited by system policy” error

Fix #1: Update your device drivers.

Fix #2. Edit Local Group Policy.

Fix #3. Check local security settings.

Fix #4. Enable Windows Installer Service.

Fix #5. Change BIOS settings

Fix #6. Edit the Windows registry.

Fix #7: Disable UAC.


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Error code 1625 can appear during program setup, when running Microsoft Corporation-related programming (e.g., Windows Installer), when starting or shutting down Windows, or even when Windows structure configuration. Monitoring when and where your error 1625 occurs is a basis for investigating the problem.

What is the “Installation is prohibited by system policy” error?

Device drivers are one of the most important components of the Windows operating system because they allow software and hardware to communicate properly. While some peripherals, such as dedicated graphics cards, can perform minimally without them, the lack of drivers can prevent hardware from working.

Since we are talking about wireless adapter drivers here, the error “This installation is prohibited by system policy” would prevent the main functions of this device, including WiFi as well as Bluetooth connections. Undoubtedly, if there is no Ethernet available to replace the WiFi connection, it could become a major problem, as the Internet connection would simply not be accessible.

The error “This installation is prohibited by system policy” can occur not only when installing wireless drivers. Users reported receiving the same error when installing Autocad (error code 1625, 509), Python[2] (0x80070659), mouse drivers (G500), and other software.

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Group policies that can cause this error can be local policies or domain policies. The policy locations you will want to check are:

  • Computer Configuration > Administrative Templates > Windows Components > Windows Installer
  • Machine Configuration > Policies > Windows Settings > Security Settings > Logical Restriction Policies

Comme le suggère le message d’erreur, la raison en est le manque de droits pour installer de nouveaux logiciels, qu’il s’agisse de piles ou d’applications. Bon, vous voyez que l’exécution du programme d’installation tant que l’administrateur peut suffire, c’est généralement le cas (enfin, vous devriez certainement l’essayer comme premier correctif), donc d’autres paramètres d’autorisation doivent être modifiés .

Il existe de nombreuses façons de modifier les autorisations sur un ordinateur Windows – la plupart des utilisateurs ne connaissent pas ces politiques, car ils ont rarement besoin de les utiliser (car les paramètres par défaut fonctionnent généralement assez bien). Vous trouverez plus de méthodes pour corriger l’erreur “Cette installation est interdite par la politique système”, ce qui vous permettra d’installer le logiciel en question.

Quelles sont les causes de l’erreur “L’installation est interdite par la stratégie système”

L’erreur 1625 est une erreur Windows qui apparaît lors de l’installation si une stratégie de sécurité est activée sur l’ordinateur. Vous pouvez ajuster les paramètres pour autoriser l’installateur, mais vous devez être connecté ainsi que l’administrateur pour effectuer les modifications.

Voir les causes du code d’erreur 1625 dans QuickBooks. La liste des causes est fournie ci-dessous.

  • Vous n’êtes pas connecté en tant qu’administrateur
  • La disposition de votre infrastructure Windows Installer vous empêche d’introduire des mises à jour planifiées avec soin.
  • Téléchargement corrompu ou configuration fragmentée de la planification de Windows Installer.
  • Corruption du registre de Windows suite à une modification de planification liée à Windows Installer (introductions ou désinstallations).
  • Un virus ou un logiciel malveillant qui a corrompu les registres de Windows Framework ou les documents de programme liés à Windows Installer.
  • Un autre programme a supprimé par erreur les journaux liés à Windows Installer.

Cómo solucionar el error “La instalación está prohibida por la política del sistema”

Solución n. ° 1: actualice los controladores de su dispositivo.

Para reparar un sistema dañado, debe actualizar los controladores de su dispositivo. Puede instalar las últimas versiones de los controladores manualmente o usar el actualizador de controladores para actualizarlos manualmente.

Este actualizador de controladores puede hacer una copia de seguridad de todos los controladores existentes e instalar los correctos automáticamente. Después de emplear esta herramienta, nunca tendrá que preocuparse por el proceso de actualización del controlador y deshacerse de los problemas que pueden causar los controladores incompatibles o dañados: BSOD , errores, fallas, etc.

Arreglo #2. Editar política de grupo local.

Una de las formas más fáciles de cambiar los permisos en su Windows es editar la Política de grupo. Así es cómo:

  1. Escriba gpedit.msc en la búsqueda de Windows y presione Entrar
  2. Una vez que se abra la directiva de grupo, vaya a la siguiente ubicación:
  3. Local Computer Policy > Computer Configuration > Administrative Templates > Windows Components > Windows Installer.
  4. On the left side of the window, double-click the Prohibit non-administrators from applying vendor signed updates entryOpen Group Policy Editor.
  5. In the new window, select Disabled.
  6. Click Apply and OK. Edit Group policy 2.

Note: Ensure you are logged in as an administrator for these and the rest of the policies to be changed without issues.

Fix #3. Check Local Security Settings.

  1. Type in Control Panel in Windows search and press Enter
  2. Under View by, select Small icons from the drop-down menu
  3. Pick Administrative ToolsView small icons
  4. Double-click Local Security PolicyLocal Security Policy
  5. Once the new window opens, click on Software Restriction Policies on the left. You should see the following text on the right:
  6. No Software Restriction Policies Defined
  7. Now right-click on Software Restriction Policies and pick New Software Restriction Policies
  8. Double-click on Enforcement on the right
  9. Tick the All users except local administrators optionEdit Local Security policy
  10. Click Apply and OK.

Fix #4. Enable Windows Installer service.

  1. Type in services.msc in Windows search or Run dialog (Win + R) and press Enter.
  2. In the Services window, scroll down until you reach Windows Installer service.
  3. Right-click on it and select Start Windows Installer service.

Close down Services and see if that helped you to remove “This installation is forbidden by system policy” error.

Fix #5. Change BIOS settings

This method helped users who were unable to install wireless drivers due to the error. For that, you need to access your BIOS:

  1. Reboot your computer
  2. Before the login screen animation, spam F2, F8, Del, Esc, or another button (depends on your motherboard manufacturer) on your keyboard
  3. Once in BIOS, you will have to change Wireless settings
  4. Go to Wireless Switch and remove the ticks from WLAN and Bluetooth options
  5. Go to Wireless Device Enable and tick WLAN and Bluetooth to enable them
  6. Reboot your PC.

Fix #6. Change Windows registry.

Warning: you should always backup your registry before changing any settings within, otherwise incorrectly modified registry can cause system instability or even failure.

  1. Type in regedit.msc in Windows search or Run dialog and press Enter
  2. When User Account Control shows up, click Yes
  3. Navigate to the following location:
  4. HKLM\\Software\\Policies\\Microsoft\\Windows\\Installer
  5. If you can’t see DisableMSI entry on the right, proceed with the following:Modify Windows Registry
  6. Right-click on the empty space on the right side of the window and select New > DWORD (32-bit) Value
  7. Name it DisableMSI and double-click it
  8. Set Value to 0 and click OKModify Windows Registry 2
  9. Close down the Registry Editor and see if this solution worked for you.

Fix #7: Disable UAC.

UAC is a Microsoft security tool that helps prevent intrusion of malicious software. It is not full-fledged anti-malware or an antivirus, but it does notify of changes that are about to be made to the computer. For troubleshooting application problems, temporarily disabling UAC may help pinpoint the problem or relieve the issue. Be sure to restore this security setting as soon as the issue is resolved.

To turn off UAC:

  1. Type UAC into the Windows Start menu.
  2. Click “Change User Account Control settings.”
  3. Move the slider down to “Never Notify.”
  4. Click OK and then restart the computer.

Wrapping Up

Like most Windows Installer errors the problem is not with the delivery mechanism (PDQ Deploy in this case) but with the environment. In this case, the installation of Adobe Reader has been blocked by Group Policy. In order to install or deploy Adobe Reader, the system policy must be modified.

Viceroy Dharmdas | Author Vicrey Dharmdas |


Vic is a search engine optimization expert, helping to optimize websites to make them more user-friendly. He’s been in the industry for more than 10 years, and his work speaks a lot about his experience and expertise in the IT and digital marketing fields. 

Vic is the one in charge of keeping our website running smoothly and efficiently, to make sure that our readers have a wonderful experience while visiting the website. He’s good at troubleshooting errors and fixing Windows issues that come up either when playing games or working on the computer. 

Vic is a certified gadget freak who feels the need to surround himself with cutting-edge technology. And this passion has helped him a lot in creating content that informs and guides users on using and troubleshooting the latest technology. He is an avid researcher who is always hungry for the latest news and updates on the most cutting-edge technology. 

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7 Ways to Fix “This Installation is Prohibited by System Policy” Error on Windows

Pair Modisha Tladi

Posted on August 13, 2022

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Are you trying to install a cool new app or game and you get this error? Here’s how you can fix it.

Error message between two laptops

When installing certain files on Windows, an error message stating “This installation is prohibited by system policy” may appear.

Does this error appear on someone else’s device? If you are married, you can sometimes ask for permission before following these tips. This is because some utilities disable installations to protect their devices from security threats.


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Le message d’erreur apparaît-il sur votre propre appareil Windows ? Si c’est le cas, il y a de fortes chances que vous ayez configuré certains paramètres sans le savoir. Sinon, le problème est causé par certains bogues sur votre appareil.

Maintenant, voici comment vous pouvez résoudre ce problème “d’installation” sous Windows.

1. Activez le service d’installation de Windows

Vous rencontrerez probablement divers problèmes d’installation si le programme d’installation de Windows est désactivé. En fait, vous pourriez même avoir du mal à supprimer des applications de votre PC si cet outil est désactivé.

Aussi, vous pouvez résoudre le problème “l’installation est interdite par la stratégie système” en vous assurant que le programme d’installation de Windows est activé. Voici les étapes que vous devez suivre :

  1. Appuyez sur Win + R pour ouvrir la boîte de dialogue Exécuter la commande.
  2. Type services.msc and press Enter to open the Services window.
  3. Scroll down and double-click the Windows Installer option.

Double click on the Windows Installer option

Next, click the Windows Installer Startup type dropdown menu and select Manual. From there, press the Start button to enable the service. Finally, click Apply and then click OK to save these changes.

2. Configure Settings in the Local Group Policy Editor

You can also use the Local Group Policy Editor (LGPE) to tackle this issue. However, this method will only be useful if you use Windows Pro, Enterprise, and Education editions.

If you’re using Windows Home, you can check out some tips on how to run the LGPE on Windows Home.

Now, here’s how you can fix the “installation is forbidden by system policy” error using the LGPE:

  1. Type Edit group policy in the Start Menu search bar and then select the Best match.
  2. Navigate to Computer Configuration > Administrative Templates > Windows Components > Windows Installer.
  3. Double-click on the Prohibit non-administrators from applying vendor signed updates option on the right-hand side pane.

Configuring Windows Installer Settings in the Local Group Policy Editor

Select Disabled or Not Configured in the top-left corner. Finally, press Apply and then press OK to save these changes.

From there, apply the same settings to the Prohibit User Installs and the Prohibit removal of updates option on the LGPE.

3. Use Microsoft’s Program Install and Uninstall Troubleshooter

The Microsoft Program Install and Uninstall Troubleshooter could also help—especially if corrupted Registry keys cause the issue at hand.

So, here are the steps for running this tool:

  1. Download the Program Install and Uninstall Troubleshooter on the Microsoft website.
  2. Double-click on the installed file to run it.
  3. Click the Next button and then select the Installing option.

Running the Microsoft Programs Install and Uninstall Troubleshooter

From there, select the problematic app and then click Next. If you can’t find the faulty app on the list, click the Not listed option and manually search for the program. From there, follow the on-screen steps to finalize the process.

4. Install Your Apps in Safe Mode

Installing your apps in safe mode could also help tackle the “installation is forbidden by system policy” error. This method could be helpful if faulty software programs cause the error.

Here are the steps for installing apps in safe mode:

  1. Type Settings in the Start Menu search bar and select the Best match.
  2. Select Update and Security and then click the Recovery option.
  3. Click the Restart Now button below the Advanced Startup option. Your PC will restart in the Recovery Environment.

Install programs in safe mode

On the next screen, click the Advanced options and select the Startup Settings. Finally, press the Restart button and click the F4 key to boot your PC into Safe Mode.

If you no longer run into the error, it’s safe to say that a faulty software program or a device driver is causing the issue.

5. Isolate Faulty Programs by Performing a Clean Boot

An illustration of a person configuring settings on a PC

If you suspect some faulty programs cause the issue, you can perform a clean boot. This method helps isolate the programs that may be causing this error and other system issues.

The device boots up with all third-party applications disabled when you perform a clean boot. Also, the clean boot feature ensures that only a few critical drivers are running when you start the device. So, this process ensures that there are no interruptions when you install or uninstall software programs.

If faulty drivers cause the issue, you simply need to update or re-install those drivers. Otherwise, if a faulty app causes the problem, you can remove it and its residual files using a third-party uninstaller.

6. Re-Register the Windows Installer Service

Re-registering the Windows Installer service might sometimes turn out to be the best solution. So, here are the steps for re-registering this tool:

  1. Type Command Prompt in the Start Menu search bar. Next, right-click on the Best match result and select Run as administrator .
  2. From there, type the following command and press Enter to temporarily “unregister” the Windows Installer:

msiexec /unreg

When this process is complete, type the following command and press Enter to re-register the Windows Installer:

msiexec /regserver

Wait for the process to complete, and then restart your device to save these changes.

7. Configure Settings in the Registry Editor

Computer screen showing settings

As a last resort, you could resolve this issue by configuring a few settings in the Registry Editor. However, be sure to back up the Registry first before you proceed.

Now, here’s how you can tackle the issue at hand using the Registry Editor:

  1. Type Registry Editor in the Start Menu search bar and select the Best match.
  2. Type Regedit and then press OK to open the Registry Editor.
  3. Navigate to Computer > HKEY_LOCAL_MACHINE > Software > Policies > Microsoft > Windows > Installer.
  4. Double-click on the DisableMSI value on the right-hand side pane.

By clicking on the DisableMSI value in the registry editor

Establezca los datos del valor en 0 (cero) y luego presione OK . Cierre el Editor del Registro y luego reinicie su dispositivo para guardar estos cambios.

Instale aplicaciones en Windows sin ninguna limitación

Los errores de instalación de Windows pueden ser bastante frustrantes. Justo cuando está a punto de descargar una aplicación genial, se encuentra con mensajes de error como “Esta instalación está prohibida por la política del sistema”.

La buena noticia es que puede resolver la mayoría de los problemas de instalación con el Solucionador de problemas de instalación y desinstalación de programas de Microsoft. De lo contrario, las otras soluciones que hemos cubierto deberían ayudarlo a abordar el problema en cuestión.

Arrows pointing to Windows logo with Clean and Safe check marks

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  • Windows
  • Windows Errors
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About The Author


Modisha Tladi (152 Articles Published)

Modisha is a content writer with an MSc Astrophysics degree from the University of Cape Town. While doing research in his postgraduate years, he fell in love with content writing and never looked back. He’s now been writing blogs and “how-to” guides for over 3 years. When he’s not listening to music, you’ll find him watching action-comedy movies, playing video games, or traveling.

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