there is the letters a and n in script just below the back arrow on my firefox browser, is it supposed to be there and what does it mean?
they are superimposed over the upper left corners of the zoom in and zoom out buttons
they are superimposed over the upper left corners of the zoom in and zoom out buttons
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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