Re: What is going on with firefox
I don't think anyone mentioned the command line option --new-instance
firefox --new-instance
Probably you should use it with --ProfileManager
firefox --new-instance --ProfileManager
Alternatively you can enter about:profiles in the location bar and start
a new one from there.
If firefox is slow you could try --safe-mode and see if that is
faster. If it is it could be some extension, or settings, or accumulated
data which is slowing it down. Use the process of elimination.
firefox --help
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