If you encounter this error, you can try several methods mentioned below that have been proven to resolve this error.
1. Disable UI Lockdown Using PowerShell
When UI lockdown is enabled, it restricts access to Windows Security, preventing users from accessing the Windows Security Virus and Threat Protection page. Running the command “Set-MpPreference -UILockdown 0” will disable the UI lockdown, which will allow users to regain access to Windows security features.
2. Configure the Registry Editor
Configuring the registry values related to Windows Defender can potentially resolve this issue. Creating necessary registry values such as DisableAntiSpyware and DisableRealtimeMonitoring and configuring them to 0 will ensure that these features are not disabled, as they are necessary for Windows Defender to function properly. Otherwise, you may encounter a Page Not Available error message.
3. Use Group Policy Editor
Setting the policy to not configured for Hiding the Virus and Threat Protection area in the group policy editor will ensure that this setting remains visible in the Windows Security user interface. This action can restore the Virus and Threat Protection settings if it is enabled.
4. Reset the Windows Security App
If the issue persists, you can try resetting the Windows Security App. This will restore the app to its default state by clearing the data, temporary files, and custom configurations. So, if the issue occurs due to misconfigured configurations or corrupted data, resetting the Windows Security app will fix it. Finally, if none of the methods worked, you can use a system restore utility if you have created a restore point before you encountered this issue. Otherwise, you can proceed to resetting Windows without losing the data. Both methods will surely fix this issue.
