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Catalina upgrade slows Firefox

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  • Last reply by FredMcD

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Since upgrading to Catalina on my Imac, Firefox runs slow, crashes, and freezes frequently. It is currently unuseable.

Since upgrading to Catalina on my Imac, Firefox runs slow, crashes, and freezes frequently. It is currently unuseable.

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Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

While still in Safe Mode,

In the address bar, type about:crashes<enter>. Note: If any reports do not have BP- in front of the numbers/letters, click it to submit them.

The crash report is several pages of data. We need the report numbers to see the whole report.

Using your mouse, mark the most recent 7 - 10 Submitted crash reports, and copy them. Now go to the reply box and paste them in.

aboutcrashesFx57

For more help on crash reports, see; https://support.mozilla.org/en-US/kb/firefox-crashes-asking-support


https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster

https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix

https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram

https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding

https://support.mozilla.org/en-US/kb/firefox-takes-long-time-start-up