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/
所有回复 (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