I have lost the tab with the "+" sign on it and can't get it back despite several reinstalls
On the tab bar, there was a tab with a "+" sign on it to open a new tab. It disappeared and I've reinstalled the 4.0 update twice and it hasn't come back.
On the tab bar, there was a tab with a "+" sign on it to open a new tab. It disappeared and I've reinstalled the 4.0 update twice and it hasn't come back.
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Try:
Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
- Don't make any changes on the Safe mode start window.
See:
I totally uninstalled Firefox instead of reinstalling the update. That fixed the problem but I still don't know why it went away in the first place.