black box
When i use firefox when i'm on a websites this black box pops up in the top right corner of my screen why is that showing and is there any way i can remove it or so ?
here is a screenshot of what i mean. http://imageshack.us/photo/my-images/684/blackboxh.jpg/
When i use firefox when i'm on a websites this black box pops up in the top right corner of my screen why is that showing and is there any way i can remove it or so ?
here is a screenshot of what i mean.
http://imageshack.us/photo/my-images/684/blackboxh.jpg/
Tất cả các câu trả lời (1)
Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.com/kb/Safe+Mode