Dear sir,

It's been an on and off problem for me since my windows 8.1 sometimes like to show it all whether it's the extensions of the file or even the file itself and it doesn't accept my command on not showing it. I have a bitdefender 2015 always up to date so my guess is that could not be a virus please help.

Hi,

What's the status of these two option in ribbon bar:

Hi,

How about uncheck file extension option? In addition, follow the screenshot below and make your settings same with main.