This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

Firefox hangs whenever I open a new tab

  • 1 antwoord
  • 1 het hierdie probleem
  • 4 views
  • Laaste antwoord deur cor-el

more options

Recently whenever I open a new tab Firefox hangs / freezes for a second. It never did this until just this day, the only thing I can think is if updating my Bitdefender client did it, but I turned off every portion of it related to browsing safety and still get the hangup issue.

I've already down a firefox refresh as a bunch of other things tell you to do, I did go through the trouble of making a Gecko report and I'll link it though.

https://perf-html.io/public/c285b3ac96643a84a06ce81bf3f9663c92342427/calltree/?globalTrackOrder=0-1-2-3-4-5-6-7-8-9&hiddenGlobalTracks=5-6-7-8&localTrackOrderByPid=8144-1-0~8364-0~14308-0~1460-0~2724-0~12324-0~10860-0~1492-0~&thread=2&v=3

Recently whenever I open a new tab Firefox hangs / freezes for a second. It never did this until just this day, the only thing I can think is if updating my Bitdefender client did it, but I turned off every portion of it related to browsing safety and still get the hangup issue. I've already down a firefox refresh as a bunch of other things tell you to do, I did go through the trouble of making a Gecko report and I'll link it though. https://perf-html.io/public/c285b3ac96643a84a06ce81bf3f9663c92342427/calltree/?globalTrackOrder=0-1-2-3-4-5-6-7-8-9&hiddenGlobalTracks=5-6-7-8&localTrackOrderByPid=8144-1-0~8364-0~14308-0~1460-0~2724-0~12324-0~10860-0~1492-0~&thread=2&v=3

All Replies (1)

more options

You can check for problems with the places.sqlite database (bookmarks and history) in the Firefox profile folder.

  • use "Verify Integrity" on the "Help -> Troubleshooting Information" (about:support) page
    in case errors are reported close and restart Firefox and retry

If "Verify Integrity" on the "Help -> Troubleshooting Information" (about:support) page cannot repair places.sqlite then remove all places.sqlite files in the Firefox profile folder. Firefox will rebuild places.sqlite and restore the bookmarks from a recent JSON backup in the bookmarkbackups folder.

See also:

You can check for problems with the sessionstore.jsonlz4 file in the Firefox profile folder that stores session data.

  • delete sessionstore.jsonlz4 and sessionstore.js

When sessionstore.jsonlz4 is deleted you lose pinned tabs and open tabs and you will have to recreate them, so if necessary make a note or bookmark them.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.