The only other thing is I dropped my paid Yahoo Mail account, because of the same thing that bothers Momus, No Support! Thanks in advance to you both, I'll be back tonight with a screenshot! Restricted Mode works on the browser or device level, so you must turn it on for each browser you use.
It is sad that something happens out of the clear blue like this and no one knows why.
Visit the website that you want to access in desktop version say Facebook, Google Images, etc.
Windows update or upgrade might reset your custom settings for certain apps which can cause this problem.
Fix 5: Disable Antivirus The antivirus program can be interfering with your Outlook if it uses an add-in or firewall.
I have no idea why it disappeared without so much as a wrong key depressed.