Annoying Pop Up Banners on Outlook

I have recently started receiving annoying Pop Up banners across the first 4 or 5 emails in my Inbox,Sent Box etc etc.

I cannot close them. The only way I can get rid of them is to each and every time go to email settings and request blocking of 3rd party intrusions

I have initiated scans etc to no avail.

This never used to happen when it was simple Hotmail and is incredibly annnoying.

Anyone out there who can help ?

Thanks !

Question about Outlook Express