This policy settings lets you decide whether employees can access the about:flags page, which is used to change developer settings and to enable experimental features. If you enable this policy setting, employees can't access the about:flags page. If you disable or don't configure this setting, employees can access the about:flags page. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Microsoft Edge\Prevent access to the about:flags page in Microsoft Edge (2) REG: HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER\Software\Policies\Microsoft\MicrosoftEdge\Main!PreventAccessToAboutFlagsInMicrosoftEdge