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Firefox 153 often fails to load pages and have to restart, and frequently get "Firefox is already running" message.

jbr replied
user10x59

Hi all,

Version 153 in general seems to be more buggy than previous.

  • The most affected bug now is opening links in new tabs will endlessly show the loading animation in the favicon tab area, and the page will be blank failing to load the content.
  • No choice but to restart Firefox in order for it to function again.
  • Also, every time relaunching Firefox gives the "Firefox is already running" message pop up.
  • This started happening after updating to version 153.

Firefox 153.0.1 (32-bit) Windows 10 - 22H2

Thank you in advance

Hi all, Version 153 in general seems to be more buggy than previous. * The most affected bug now is opening links in new tabs will endlessly show the loading animation in the favicon tab area, and the page will be blank failing to load the content. * No choice but to restart Firefox in order for it to function again. * Also, every time relaunching Firefox gives the "Firefox is already running" message pop up. * This started happening after updating to version 153. Firefox 153.0.1 (32-bit) Windows 10 - 22H2 Thank you in advance
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All Replies (1)

Do you think you would be able (and willing to) help identify this issue by running mozregression to have it download and compare different versions from the 152–153 cycle for you to try, to help pinpoint when this behavior changed? There's a video on the site, but I can share some more instructions for this particular use if you're interested.

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