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It seems that Firefox can use ProfileManager by

firefox.exe -ProfileManager

but then it seems like if a profile "work" and another profile "personal" are created, you can't have them side by side running at the same time? (either in 2 windows or 2 tabs).

firefox.exe -p work
firefox.exe -p personal

the second time, the firefox is using the "work" profile again.

Any way to make it work? IE 8 can have a "File -> New Session" but you have to log in every time. You can't make them as profiles and remember the sessions it had with gmail, etc. (need to do a login again)

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up vote 2 down vote accepted

here's a How-To-Geek Tutorial:

Use Multiple Firefox Profiles at the Same Time

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it seems to work! the only key here seems to be the -no-remote, as in firefox.exe -p work -no-remote – 太極者無極而生 Nov 12 '09 at 23:18
Yse, -no-remote is the key. – Ryan Thompson Nov 13 '09 at 2:10

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