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Opening a link from an external program results in error message.

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Hi,

When I want to open a link from an external program (Thunderbird, OneNote) and firefox is already running, I get the error message: "Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window."

I expect firefox to simply open a new tab in the currently open firefox window.

I checked previous answers about the "no-remote" option and the "MOZ_NO_REMOTE" environment variable. Both are not set, so these solution did not help me. ( https://support.mozilla.org/en-US/questions/1175106 )

I do not have several profiles, my current profile is the default profile. I am not in private browsing mode and all "Browser.link.open" in about:config are set to default.

Can anyone please help me with this issue? Kind Regards

Hi, When I want to open a link from an external program (Thunderbird, OneNote) and firefox is already running, I get the error message: "Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window." I expect firefox to simply open a new tab in the currently open firefox window. I checked previous answers about the "no-remote" option and the "MOZ_NO_REMOTE" environment variable. Both are not set, so these solution did not help me. ( https://support.mozilla.org/en-US/questions/1175106 ) I do not have several profiles, my current profile is the default profile. I am not in private browsing mode and all "Browser.link.open" in about:config are set to default. Can anyone please help me with this issue? Kind Regards

Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0

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WestEnd
  • Top 25 Contributor
60 solutions 5379 answers

What kinda external link is it? And what is your default Browser?

What kinda external link is it? And what is your default Browser?

Question owner

deleted ?

deleted ?

Modified by steffenms

Question owner

WestEnd said

What kinda external link is it? And what is your default Browser?

The link is opened from e.g. Thunderbird or OneNote to anykind of web address.

Firefox is my default browser. Otherwise it would not try to open Firefox?

This is a major issue. I cannot use Firefox as default browser with this behaviour and therefore do not use it at all (even if I wish to change from chrome to firefox).

''WestEnd [[#answer-1190978|said]]'' <blockquote> What kinda external link is it? And what is your default Browser? </blockquote> The link is opened from e.g. Thunderbird or OneNote to anykind of web address. Firefox is my default browser. Otherwise it would not try to open Firefox? This is a major issue. I cannot use Firefox as default browser with this behaviour and therefore do not use it at all (even if I wish to change from chrome to firefox).

Question owner

I finally found what caused the problem.

I had Thunderbird configured with multiple profiles. When opening links from Thunderbird, the current profile and no-remote settings are used for opening Firefox. This resulted in the described error.

This means: Despite not having set the "no-remote" option for firefox, this option is inherited from Thunderbird, when opening links there.

I finally found what caused the problem. I had Thunderbird configured with multiple profiles. When opening links from Thunderbird, the current profile and no-remote settings are used for opening Firefox. This resulted in the described error. This means: Despite not having set the "no-remote" option for firefox, this option is inherited from Thunderbird, when opening links there.