New tabs come up locked. I don't want that. How do I change it?
I am using Firefox 38 under Linux Mint Rebecca. I am having several problems with tab functionality which don't seem to be addressed by the various tabbed browsing tools installed from Mozilla. Primary is the issue of EVERY new tab coming up with the lock attribute set. Occasionally, it will also come up protected. I have no use for either of these things and can't figure out how to turn them OFF other than by manually doing it after the tabs load. I would prefer that they DON'T automatically appear. Whenever Firefox is restarted, every restored tab comes up with both attributes set active. I don't know what these things are for, but I don't need them and I don't want them. How do I change this behavior?
Chosen solution
With your impressive list of installed extensions this is almost certainly caused by one of the multiple tab related extensions you have.
Start Firefox in safe mode and see if that fixes the problem. If so, find out which extension(s) are causing the problem or simply get rid of them.
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
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Chosen Solution
With your impressive list of installed extensions this is almost certainly caused by one of the multiple tab related extensions you have.
Start Firefox in safe mode and see if that fixes the problem. If so, find out which extension(s) are causing the problem or simply get rid of them.
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
Some of your add-ons may have similar functions. Remove the duplicates.