Home / 5 instances of firefox in task manager 5 instances of firefox in task manager 03/04/2021 When I open Firefox I acquire multiple firefox.exe processes (commonly 4 or 5, the number varies) mirroring in my job manger. I don"t recognize how that occurred and the thing is it slows dvery own my internet browser. I"m making use of Windows 7.You watching: 5 instances of firefox in task managerI haven"t take any steps to fix it.Thanks for the assist.vr-tab-quebec.comRegister to rerelocate ads#2buddy215buddy215Moderator17,056 postsOFFLINEGender:MaleLocation:West TennesseeLocal time:10:04 AM2 firefox.exe running in the background whenever before I open Firefox | Firefox Support Forum | Mozilla Support QUOTE: This might show that your Firefox is making use of a new "multiprocess" feature.See more: Winrar Not Enough Space On Disk, Winrar Says Not Enough Space, But I See 200 Gigse10sOne of the headline transforms in Firefox 48+ is e10s, which separates the browser interface procedure from the page content process. The performance impact of this deserve to differ a lot between systems: many individuals find it much faster, some discover it slower, for many kind of it"s neutral. There most likely is rather even more memory use than when whatever runs in a single firefox.exe process.Are you utilizing e10s?You deserve to examine whether you have actually this attribute turned on as adheres to. Either:"3-bar" menu switch > "?" switch > Troubleshooting Information(menu bar) Assistance > Troubleshooting Informationtype or paste about:support in the attend to bar and also press EnterIn the initially table on the web page, check the row for "Multiprocedure Windows" and view whether the number on the left side of the fractivity is higher than zero. If so, you are making use of e10s.See more: Where Does Avast Store Boot Scan Log S, Boot Time Scan LogsIf you are making use of e10s:If you think Firefox is not perdeveloping well or is utilizing an unreasonable amount of sources now, you might evaluate whether e10s is leading to this difficulty by turning it off as follows:(1) In a new tab, kind or paste about:config in the resolve bar and push Enter/Return. Click the button promising to be cautious.(2) In the search box over the list, type or paste autos and pausage while the list is filtered(3) Double-click the browser.tabs.remote.autobegin.2 choice to switch the worth from true to falseNote: the exact name of the choice might differ, but it will certainly begin with web browser.tabs.remote.autostartAt your following Firefox startup, it need to run in the typical means. Any difference?“Eextremely atom in your body came from a star that exploded and also the atoms in your left hand also probably came from a various star than your ideal hand. It really is the most poetic point I know about physics...you are all stardust.”― Lawrence M. KraussA 1792 UNITED STATE penny, designed in component by Thomas Jefferboy and also George Washington, reads “Liberty Parent of Science & Industry.” Republideserve to senators will DID approve of insurrection and attempted coup led by Trump.