User-Agent: Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.4) Gecko/20030701 Build Identifier: Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.4) Gecko/20030701 When mozilla is started, a lock file is created in ~/.mozilla/user/xxx/lock to avoid multiple sessions. The problem is that after a system crash, this file is still there, and when starting mozilla, the user is prompted for another account. The workaround is to remove the lock file manually, but for a newbie, this is a *really* complex task : * Guess that you have to delete this precise file * Find it in .mozilla, which is a hidden directory Before displaying this profile selection box, I think it would be really better to have a small dialog box : "This mozilla profile seems to be already in use. Most probably you have another Mozilla application running, and you should use it or close it. However, follwing a system crash, it may happen that the profile remains locked forever. If so, say 'yes' to the following question : Do you want to force unlocking the profile XXX ? [ Yes ] [ No ] ". Then, clicking "Yes" would delete the lock file and start Mozilla normally, and clicking "No" would continue with the current behavior. Reproducible: Always Steps to Reproduce: 1. Launch a Mozilla session 2. Simulate a system crash 3. Launch another Mozilla session Actual Results: The user account is lock forever if you are not a unix guru ! Expected Results: Offer the user to unlock the account.

This looks like bug 151188, but feel free to reopen if you have a specific reason to disagree. *** This bug has been marked as a duplicate of 151188 ***