User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-CA; rv:1.0.2) Gecko/20030208 Netscape/7.02 Build Identifier: on several community sites people have been complaining that firefox quits functioning after updating. various os, most commonly winxp. only way to fix was un-install update. Reproducible: Didn't try
This bug report is very vague. Issue they are seeing could be this: http://weblogs.mozillazine.org/asa/archives/007626.html But since you dont have the problem yourself i dont know if this bug report is good enough.
Not a very useful bug report, lets close it. All relevant issues after upgrading have been tracked in seperate bugs.