Fix Web request to load GUAC policies failed in Roblox Studio

If you’re a Roblox developer, you may have encountered the following error message: “Web request to load GUAC policies failed. The backend UniversalAppConfigurationService may be down.” This error can be frustrating, as it prevents you from accessing the Roblox Studio and prevents you from being able to work on your projects.

In this blog post, we’ll go over some potential solutions for this error and how you can fix it.

Table of Contents show

How to Fix the “Web request to load GUAC policies failed” Roblox Studio error

Attention Windows Users!!

Facing issues on your Windows PC every now and then? We would recommend you use the Restoro PC Repair tool.

It is a one-stop solution to repair common computer errors, protect your Windows PC from data loss, malware, hardware failure, Registry issues, BSOD errors, etc. and optimize your PC for maximum performance in just three simple steps:

Download Restoro Tool that comes with Patented Technologies _{(see patents here)}.
Install and click on Start Scan to find the issues on your Windows PC.
Finally, click on Repair All to fix the issues.

_{4,533,876 users have downloaded Restoro till now.}

1. Delete Roblox from Windows Registry

The best way to resolve the “Web request to load GUAC policies failed” error is to delete the Roblox Registry entry.

Note: Deleting registry keys can have serious consequences and is generally not recommended unless you are certain of what you are doing. With that said, it is advised to export a copy of the registry.

To export the registry, open the Registry Editor, and click on File > Export.

Open the Registry Editor on your Windows PC. You can directly search for the same in the Windows search bar.
In the Registry Editor, navigate to:
HKEY_CURRENT_USER\SOFTWARE
Under the SOFTWARE option, you’ll see the Roblox registry entry. Right-click on it and select Delete.
Click on Yes to confirm the deletion.

Once done, restart your PC and try to launch the Roblox Studio.

2. Check the Roblox Servers

You can check the status of the Roblox services by visiting the Roblox Status Page. There you’ll get real-time updates regarding all the Roblox services including the Roblox Studio. If the service is down or experiencing issues, you may need to wait until the issue is resolved before you can use Roblox Studio.

3. Uninstall Roblox Mods

Roblox Mods can pose weird issues at times. You should consider uninstalling the Mods if you have installed any in cases where you are not able use Roblox or Roblox Studio.

Open the Programs and Features window by executing the appwiz.cpl command in Run dialog (Win + R).
Here, click on the Roblox Mod and select Uninstall.
Complete the uninstallation by following the on-screen instructions.

4. Reinstall Roblox Studio

Lastly, if nothing helps, you should consider reinstalling Roblox studio on your PC.

Close Roblox Studio if it is currently open.
Open the Programs and Features window using the appwiz.cpl command in the Run dialog
In the list of installed programs, locate Roblox Studio and select it.
Click the “Uninstall” button and follow the prompts to uninstall Roblox Studio.
Once the uninstallation is complete, restart your computer.
Visit the Roblox website and download the latest version of Roblox Studio.
Run the installer and follow the prompts to install Roblox Studio.

Additional Workarounds

Besides the above-mentioned fixes, you can also try the following workarounds:

Log out and log back into Roblox.
Consider disabling the 3rd-party antivirus programs if you are using any.

Fix the “Web request to load GUAC policies failed The backend UniversalAppConfigurationService may be down” error in Roblox Studio