I installed 55 - Clicked the "help - about this (What version) check for updates -> went to 56 (not from the install but in firefox upgrade). Moved things back to the toolbar, and at least got it back. Finally.

Nevermind I managed to fix it -------- I installed 55 - Clicked the "help - about this (What version) check for updates -> went to 56 (not from the install but in firefox upgrade). Moved things back to the toolbar, and at least got it back. Finally.

Mozilla does not support Legacy Extensions/addons Learn to make alternative choices as that is the choice. As you are running unsupported browsers, am supposed to offer you support......you are am sorry making all the wrong decisions instead of making compromises. You are getting all the wrong stuff from wrong places I am sure. Any place you get a Firefox besides Mozilla or a trusted distributor you risk getting malware included in your download or in the installer. Now since no idea where you got the installers from : Please use more than 1 scanner as each uses diff tech : https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware Save your Report and google each before deleting anything as do not want to delete something you need, If need help : https://forums.malwarebytes.com/topic/9573-im-infected-what-do-i-do-now/ Post in only 1 forum, then wait. This the best way to uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files and C:\Program Files(x86) Then restart system. Then run Windows Disk Cleanup. Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. But you should make a back up before you do : https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles If re-installing : Reinstall with Current Release Firefox 57.0 with a Full Version Installer https://www.mozilla.org/firefox/all/ https://addons.mozilla.org/en-US/firefox/ search google search terms : Firefox <old one you had> alternative change that to comparable change again to ? Search from the Firefox Menu Tool Bar - Tools - add-ons Legacy Page and click Blue Box Find Alternative and there is a search bar above that to. Go to the old extension page and look further as some Developers have made suggestions for a alternative. Extensions that are still writing code to be compatible are being Tracked from here: http://bit.ly/2j0Anlj There is a google doc that is tracking also : https://docs.google.com/spreadsheets/d/1TFcEXMcKrwoIAECIVyBU0GPoSmRqZ7A0VBvqeKYVSww/edit#gid=0 and there is a alternative web site : https://alternativeto.net/ Please let us know if this solved your issue or if need further assistance.