How to Enable PUA Protection in Microsoft Edge

Microsoft Edge is the main web browser in Windows 11 and Windows 12. You can  switch to their preferred or favorite browser anytime if you want to use a different one. Edge works like Google Chrome and other browsers made with Chromium code.

Potentially Unwanted Application (PUA) Protection is a safety feature in Microsoft Edge. It protects your computer from potentially unwanted applications (PUAs). These are programs that can cause problems on your device.

The PUA Protection feature stops these bad apps from downloading or installing. This keeps your computer safe and clean.

Why does this matter? PUA Protection is turned on by default. But some people turn it off if they need to install a program that the system thinks is unwanted.

How to Turn PUA Protection On or Off in Edge

Step 1: Open Microsoft Edge

Start the Edge browser on your computer.

Step 2: Go to Settings

Look at the top right corner. Click the three horizontal dots button (labeled “Settings and more”). Then click Settings. You can also press Ctrl+comma to open Settings directly.

Step 3: Find Privacy Settings

On the left side panel, click Privacy, search, and services.

Step 4: Change PUA Protection

Scroll down to the Security section. Find the setting that says Block potentially unwanted apps. Flip the switch to turn it On or Off.

Note: PUA Protection works alongside Edge’s SmartScreen feature. Both should remain enabled for comprehensive protection.

What happens? When you turn it on, Edge blocks unwanted programs. When you turn it off, Edge allows them.

Step 5: Close Settings

You are done. Close the Settings page.

How to Control PUA Using Windows Registry

There is another way to manage PUA Protection. You can use the Windows Registry Editor. This method works for all users on your computer.

Step 1: Open Registry Editor (Admin Required) %%SC0%%

Press Win+R, type regedit and press Enter. Click Yes to run as administrator. You need admin rights for this step.

Step 2: Navigate to the Edge Folder

Go to this location in the registry:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge

Step 3: Find or Create SmartScreenPuaEnabled

Before editing the registry, click File > Export to create a backup of the current registry in case you need to restore changes.

Look at the right side panel. Find the item called SmartScreenPuaEnabled (REG_DWORD). Double-click it to open it.

If you do not see it: Right-click a blank area on the right side. Click New and then DWORD (32-bit) Value. Name it SmartScreenPuaEnabled.

Step 4: Set the Value

Type 1 to turn PUA blocking on for everyone. Type 0 to turn PUA blocking off for everyone.

Step 5: Restart Your Computer

You may need to restart your computer for the changes to take effect.

What happens? These changes affect all users on your computer. The registry method is stronger than the browser settings.

To Go Back to Normal

Delete the SmartScreenPuaEnabled item you created. This restores the default setting.

General

For managed devices or organizations: PUA Protection can also be controlled via Group Policy. Check gpedit.msc under Computer Configuration > Administrative Templates > Microsoft Edge for centralized management.

Summary

PUA Protection in Microsoft Edge keeps unwanted programs off your computer. You can control it in two ways:

• Easy way: Use the Edge Settings menu under Privacy, search, and services.
• Advanced way: Use the Windows Registry Editor to change the SmartScreenPuaEnabled value (requires admin rights).

Most people should leave PUA Protection turned on. Turn it off only if you need to install a specific program that is blocked. Always be careful when disabling security features on your computer.

Additional security: Consider enabling Edge’s Enhanced tracking prevention and Tracking prevention features for comprehensive protection against unwanted content and tracking.

Frequently Asked Questions