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Very slow and after reboot and restart Firefox Whoops screen showed 18 sessions not closed from days ago

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  • Last reply by cor-el

gingeryfox
gingeryfox
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Firefox had become very unresponsive, requiring many attempts to click on anything or to refresh. Even after closing all other applications, task manager showed memory use of 3.2 GB instead of typical 1.73 GB. I closed some 12 sessions with between 1 and 12 tabs open in each and waited till taskbar showe no Firefox sessions. Now showed still using 2.98 GB. Ran brief anti-malware scan then rebooted and restarted Firefox. Got Whoops screen saying that 18 sessions were trying to start, each with single tab which was www.dogpile.com which I use as ameta search engine. I had only recently had a couple of such searches in use so Firefox would appear to have not released resources after I had closed many sessions over the last week. The memory use is now 1.73 and response is excellent as normal.

Firefox had become very unresponsive, requiring many attempts to click on anything or to refresh. Even after closing all other applications, task manager showed memory use of 3.2 GB instead of typical 1.73 GB. I closed some 12 sessions with between 1 and 12 tabs open in each and waited till taskbar showe no Firefox sessions. Now showed still using 2.98 GB. Ran brief anti-malware scan then rebooted and restarted Firefox. Got Whoops screen saying that 18 sessions were trying to start, each with single tab which was www.dogpile.com which I use as ameta search engine. I had only recently had a couple of such searches in use so Firefox would appear to have not released resources after I had closed many sessions over the last week. The memory use is now 1.73 and response is excellent as normal.

All Replies (2)

Abhishek Singh Kushwah
Abhishek Singh Kushwah
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Symptoms suggest that Firefox is/was compromised by not necessarily from a malware but maybe from a extension/addon/toolbar/custom applications.

Sometime this happens by installing third party applications such a as "Toolbar or Search Aggregators". These applications seem no harm other than advertising or unnecessary popups.

What you can do is Uninstall such applications from control panel and uninstall and re install latest version of firefox.

cor-el
cor-el
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You can check for problems with the sessionstore.js file in the Firefox profile folder that store session data.

Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost and you will have to recreate them (make a note or bookmark them if possible).