User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0 Build ID: 20160315153207 Steps to reproduce: Fresh Firefox Installation. Start Firefox with profile manager ("-P") Quit profile manager. Actual results: Process "firefox.exe" does not quit. When trying to start again with the profile manager it starts an additional process without any window if not all running Firefox processes are manually killed before. Expected results: Never create a useless process without any window. Show an error message if something is wrong.
+Expected results: Close the last window at the very end only, not before doing other stuff which may fail and makes the process running forever.
Component: Untriaged → Startup and Profile System
Product: Firefox → Toolkit
I don't know what to do with it because it's not reliably reproducible. Going to mark it P5: we're not going to investigate this, but if somebody does figure this out and there's a fix, we'll review/take it.
Priority: -- → P5
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