From the Manage addons page you showed earlier click on the Tracking Protection
If you have anything in there it could be blocking parts of the page (ie the top right blank is an ad)
When you...
Type: Posts; User: paulsalter
From the Manage addons page you showed earlier click on the Tracking Protection
If you have anything in there it could be blocking parts of the page (ie the top right blank is an ad)
When you...
Anything under Tracking Protection?
What do you get if you try In-Private browsing?
That blank area in the top right is an ad, do you have any extensions installed?