This should be easy to reproduce, at least on this platform. To test something else, I deliberately deleted my profile directory. First I quit FF, and then I did: % cd Application\ Support/Firefox/ % ls Profiles/ 22b0zdzg.default % /bin/rm -rf Profiles/22b0zdzg.default/ % Then I launched Firefox. I got an alert saying another instance of Firefox was already running. Really? No, not really. There seems to be a problem with the guess being made as to the source of a problem. There may be reasons to correctly identify the error condition.
Status: NEW → RESOLVED
Closed: 11 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 278860
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