User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:184.108.40.206) Gecko/2008070208 Firefox/3.0.1 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:220.127.116.11) Gecko/2008070208 Firefox/3.0.1 When I closed Firefox and attempted to re-open it, it said Firefox is not responding, so I need to terminate it with Task Manager or it will end after a few minutes. Reproducible: Always Steps to Reproduce: 1.close Firefox 2.re-open Firefox Actual Results: A message box said "Firefox is running, but is not responding ......" Expected Results: It should open I used the following plugins and adons Mozilla Default Plugin Shockwave Flash Microsoft Silverlight and Adblock Plus Console^2 APNG Edit ChatZilla DOM Inspector Extended Statusbar GMail Notifier Google Toolbar HTML Validator iMacros Leet Key MeasureIt Speed Dial Undo Closed Tab Web Developer
Can you try running in safe mode (http://support.mozilla.com/en-US/kb/Safe+Mode). This issue often occurs when Firefox has stopped responding, and is closed. The Process continues in the background, but the window is not up. Open Firefox normally, do not open any websites. After Firefox has fully finished loading, close. then try to open it again. Do the same in Safe Mode.
Component: Session Restore → General
QA Contact: session.restore → general
In safe mode with factory default, the Firefox is OK.
Maybe an extension problem.
Firefox should check and terminate the process after closed.
Can you figure out which extension(s) are causing this problem for you?
Summary: firefox is not responding → "Firefox is running, but is not responding..."
Maybe they are AdBlock Plus, Google Toolbar, and other extensions that keep running background process
If this does not happen in Safe Mode, disable the extension one by one in normal mode. This will eventually show which one is causing this. Then, contact the developer of the extension. Closing as INVALID for now.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 10 years ago
Resolution: --- → INVALID
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