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message from Firefox: Firefox is already running but not responding, the old Firefox process must be closed to open a new one.

This only happens when clicking a link from an email in Thunderbird most of the time it is a news platform. I have to copy the link and open a new tab in Firefox to have it work.

This only happens when clicking a link from an email in Thunderbird most of the time it is a news platform. I have to copy the link and open a new tab in Firefox to have it work.
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Chosen solution

Make sure you aren't starting Firefox with the -no-remote command line argument.

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Chosen Solution

Make sure you aren't starting Firefox with the -no-remote command line argument.

Wow, how did that get there? Thank You!