firefox hangs for a minute, one minute after launch
Firefox launches OK but every time after about one minute Firefox says "not responding" for about one minute. Then all is well for the rest of the session. When this problem appears, Tor takes a long time to start. The two problems are somehow related.
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What is Tor, please?
Start Firefox in Safe Mode {web link}
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?
The problem is still there. If I do a restore to an older backup of the operating system (like 2 weeks), the problem disappears until windows does an update, then the problem reappears.
Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is is causing the problem.
- switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
- do NOT click the "Refresh Firefox" button on the Safe Mode start window
- https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
- https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
If "Verify Integrity" button 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.
- keep a backup copy of places.sqlite in case a new places.sqlite database has to be created
- http://kb.mozillazine.org/Unable_to_process_the_backup_file_-_Firefox