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Firefox freezes randomly when switching between tabs

Firefox Performanță și conectivitate
jeff-g răspuns
Liam Parker
Liam Parker

Hi,

I’m using the latest version of Firefox on Windows 11 (currently v126.0), and I’ve noticed a recurring issue: the browser freezes for a few seconds when I switch between tabs, especially if one of the tabs contains a media-heavy website (like YouTube or online editors).

The browser doesn’t crash, but becomes unresponsive for 5–10 seconds before catching up. Task Manager shows a CPU spike during the freeze. I’ve tried the following:

-Clearing cache -Disabling all extensions -Running in Troubleshoot Mode -Updating graphics drivers

None of these solved the issue.

Is this a known problem? Any suggestions on how to fix or further debug it?

Thanks in advance!

Hi, I’m using the latest version of Firefox on Windows 11 (currently v126.0), and I’ve noticed a recurring issue: the browser freezes for a few seconds when I switch between tabs, especially if one of the tabs contains a media-heavy website (like YouTube or online editors). The browser doesn’t crash, but becomes unresponsive for 5–10 seconds before catching up. Task Manager shows a CPU spike during the freeze. I’ve tried the following: -Clearing cache -Disabling all extensions -Running in Troubleshoot Mode -Updating graphics drivers None of these solved the issue. Is this a known problem? Any suggestions on how to fix or further debug it? Thanks in advance!

Toate răspunsurile (1)

jeff-g
jeff-g

You saying Firefox is vers 126.0? Latest is ver 139.0.4. I've heard of windows11, not ver 126.0 though.