565536, RE: Windows 7 slow Posted by Bob G, Wed Jul-18-18 10:01 PM
If you're on Firefox Quantum (new Firefox) it's multi-process by default. Sounds like that's what you're seeing. If you want to make it not do that, do this:
Quote: To disable e10s/multiprocess go to about:config by typing it in your URL bar. Search for browser.tabs.remote.autostart using the search box on about:config. There may be multiple results. Set them all to false and restart the browser.
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