

For this you need to change the default settings in Firefox: Open Edit -> Preferences -> Applications and select under PDF document the entry Use acroread. The problem with PDF files can be bypassed by making the Acrobat Reader open the PDF files in a new window. However, like most browsers, there comes a time when Firefox becomes unresponsive. These plug-ins work only once in each Firefox session.Ī (not very satisfactory) workaround for both problems is to end the program npviewer.bin with killall npviewer.bin each time the error occurs. Why Firefox Freezes Mac is published by Mozilla Firefox freezing may. In the current Linux versions the plug-in for the display of proprietary plug-ins has got a bug. If Firefox will load pages normally, then narrow. Safe Mode disables all hardware acceleration, extensions as well as changes the theme to the Firefox default. Safe Mode is a good spot to kick off troubleshooting Firefox Not Loading Pages issue because it helps extremely narrow down the causes. "My Firefox browser does no longer show any PDF files or Flash videos." Solution 1: Start Troubleshooting in Safe Mode. Here, the profile directory is placed inĬ:\Users\\AppData\Roaming\Mozilla\Firefox\Profiles\
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Under Windows the lock files parent.lock are placed inĬ:\Users\\AppData\Roaming\Mozilla\Firefox\Profiles\.Īfter removing the lock files, you should be able to start Firefox without receiving an error message. Mozilla Firefox download windows support number +1-85 for Firefox Account. delete the two lock files in the profile folder:.default (if several profiles have been created you need to check in file ~/.mozilla/firefox/profile.ini under which profile default=1 can be found is a random 8-digit sequence followed by.

If no Firefox session is running on another computer, you need to delete the orphaned lock files in the Firefox profile. There are two possible reasons for this error message:Īnother Firefox session is still running on another computer, or the application has shut down abnormally because the computer crashed. Firefox is reporting "Firefox is already runnning but not responding.
