Please read the bug report before marking it as a duplicate.
https://bugs.launchpad.net/bugs/308605 is not related at all to https://bugs.launchpad.net/ubuntu/+source/firefox-3.0/+bug/246010.
https://bugs.launchpad.net/ubuntu/+source/firefox-3.0/+bug/246010 is about being unable to open a Firefox window on a second screen when a Firefox window is open on another screen.
https://bugs.launchpad.net/bugs/30860 is about being unable to open a Firefox window after closing the last Firefox window (quitting).
Please read the bug report before marking it as a duplicate.
https:/ /bugs.launchpad .net/bugs/ 308605 is not related at all to https:/ /bugs.launchpad .net/ubuntu/ +source/ firefox- 3.0/+bug/ 246010.
https:/ /bugs.launchpad .net/ubuntu/ +source/ firefox- 3.0/+bug/ 246010 is about being unable to open a Firefox window on a second screen when a Firefox window is open on another screen.
https:/ /bugs.launchpad .net/bugs/ 30860 is about being unable to open a Firefox window after closing the last Firefox window (quitting).