Hi, I would think that uBlock Origin has a hand in this. What Security Software are you running please ? If you did not know you are taking part in a Shield Study by Mozilla Firefox https://blog.mozilla.org/data/2017/12/09/add-on-recommendations-for-firefox-users-a-prototype-recommender-system-leveraging-existing-data-sources/ Long and short of it it could be a problem also. It would be possibly deleted next update as that is what they are designed to do. It does not take personal info and this study is recommending to you Extensions, if you ever open up the add-on page it maybe there and possible disable from there if shows but if not please do this : Copy/Paste about:studies into the Address Bar and Enter. It will take you to the box to op out. So see if that helps at all.... And then please try : SAFE MODE *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes In Firefox Safe mode these changes are effective: *all extensions are disabled (about:addons) *default theme is used (no persona) *userChrome.css and userContent.css are ignored (chrome folder) *default toolbar layout is used (file: localstore-safe.rdf) *Javascript JIT compilers are disabled (prefs: javascript.options.*jit) *hardware acceleration is disabled (Options > Performance > Uncheck to view) *plugins are not affected *preferences are not affected TEST'''''''''is issue still there ?

Yes :(

''AndRo Marian [[#question-1231681|said]]'' <blockquote> 2. The font from urls on google search page is moving down after pressed back button from another website. </blockquote> Could you explain this problem in a bit more detail, or post a screenshot showing what you mean?