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When I open a second Profile while another is running the second cannot access the Internet until I close the first. Why?

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I often have occasions to run more than one Profile simultaneously (usually because of different add-ons I've installed on different Profiles). In the past this worked fine. Now, all of a sudden, if I open a second Profile while the first is running the second cannot access the Internet until I close the first. It keeps looking for a website, and failing, until the system "times out". If I close the first Profile, the second is then able to access the Internet.

Note: this is not a problem with opening a second Window in Firefox. As long as they are from the same Profile they will both work fine. Nor does this stop me from using a second Profile to look at website files I have saved to my computer. The only problem is that the second Profile cannot get on the Internet.

I often have occasions to run more than one Profile simultaneously (usually because of different add-ons I've installed on different Profiles). In the past this worked fine. Now, all of a sudden, if I open a second Profile while the first is running the second cannot access the Internet until I close the first. It keeps looking for a website, and failing, until the system "times out". If I close the first Profile, the second is then able to access the Internet. Note: this is not a problem with opening a second Window in Firefox. As long as they are from the same Profile they will both work fine. Nor does this stop me from using a second Profile to look at website files I have saved to my computer. The only problem is that the second Profile cannot get on the Internet.

All Replies (8)

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Upgrade your browser to Firefox 8 and check

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Do you have custom proxi settings enabled for your Firefox?

If so, try to disable custom proxi from Options/Prefs - Advanced - Network (put them to use system default proxi) then try again.

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I already use the no remote option (and the -p option), and have been doing so for more than a year. The problem isn't getting the second Profile to run, it's that once the Profile is running it can't access the Internet until I close the First.

Plus, this problem only just started this week.

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I probably will upgrade, on general principles, but that doesn't answer the question. I've been using Firefox 3.6 for a long time, and was able to use multiple Profiles simultaneously until this week. Why?

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I just checked, the setting was for "Automatic proxy configuration URL", in the past it was set on "No Proxy". So I'll try changing that (and/or try other proxy options), and see if that solves the problem.

If it does, then just one (academic) question remains: why did that happen in the first place? I don't care what the answer is, so long as your suggestion solves the problem.

Thanks.

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Nope, changing the proxy settings didn't help either. I tried all of them and the same problem occurred. Thanks anyway.

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And now, all of a sudden, the problem disappeared!

I give up.