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run two copies of firefox at same time

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How can i please run two copies of firefox at the same time, it worked ok until update to 50.1, by adding this to the icon target box. 1. -no-remote -P Default 2. -no-remote -P Username

But now seems to not work anymore.

Many Thanks

How can i please run two copies of firefox at the same time, it worked ok until update to 50.1, by adding this to the icon target box. 1. -no-remote -P Default 2. -no-remote -P Username But now seems to not work anymore. Many Thanks

Chosen solution

This should still work.

You can add -no-remote to the command line to open another Firefox instance with its own profile and run multiple Firefox instances simultaneously.

What happens if you open a second Firefox instance?

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More Information

cor-el
  • Top 10 Contributor
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17699 solutions 160142 answers

Chosen Solution

This should still work.

You can add -no-remote to the command line to open another Firefox instance with its own profile and run multiple Firefox instances simultaneously.

What happens if you open a second Firefox instance?

This should still work. *https://developer.mozilla.org/Command_Line_Options You can add -no-remote to the command line to open another Firefox instance with its own profile and run multiple Firefox instances simultaneously. *http://kb.mozillazine.org/Opening_a_new_instance_of_Firefox_with_another_profile *https://developer.mozilla.org/Mozilla/Multiple_Firefox_Profiles What happens if you open a second Firefox instance?

Question owner

Many thanks , I must learn to check my spelling sorry.

Many thanks , I must learn to check my spelling sorry.