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Multiple Firefox (13) open when I sign on??

When I sign in, multiple firefox open, causing my machine to run slow. I have to go to task manager, close all the firefox and start over. I usually have to do this several times before I can get signed on. Once on, the new Windows 11 seems to work well with Firefox.

I noted in the multiple firefox accounts the following Group or User Names in the Details section. Are these normal or could they be the source of my problems???

ALL APPLICATION PACKAGES ALL RESTRICTED APPLICATION PACKAGES ACCOUNT UNKOWN (S-1-15-3-1024-1238444810-1356253261-2257478630-1143196962-1563090664-2414759320-12821011916-4218287853) Following these were the regular System Admin groups I am used to seeing.

How to correct if a problem.

When I sign in, multiple firefox open, causing my machine to run slow. I have to go to task manager, close all the firefox and start over. I usually have to do this several times before I can get signed on. Once on, the new Windows 11 seems to work well with Firefox. I noted in the multiple firefox accounts the following Group or User Names in the Details section. Are these normal or could they be the source of my problems??? ALL APPLICATION PACKAGES ALL RESTRICTED APPLICATION PACKAGES ACCOUNT UNKOWN (S-1-15-3-1024-1238444810-1356253261-2257478630-1143196962-1563090664-2414759320-12821011916-4218287853) Following these were the regular System Admin groups I am used to seeing. How to correct if a problem.

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Firefox is a multi-process application, so it's normal to see at least 4 processes at startup. 13 seems like a lot if you aren't restoring tabs from your previous session. If you check Firefox's internal task manager using Shift+Esc, does that also show the same large number of processes?

gwludwick said

I noted in the multiple firefox accounts the following Group or User Names in the Details section. Are these normal or could they be the source of my problems??? ALL APPLICATION PACKAGES ALL RESTRICTED APPLICATION PACKAGES ACCOUNT UNKOWN (S-1-15-3-1024-1238444810-1356253261-2257478630-1143196962-1563090664-2414759320-12821011916-4218287853) Following these were the regular System Admin groups I am used to seeing.

I am not familiar with that. I'm still running the old-style install from Mozilla's site, while you might have the package from the Microsoft/Windows store (also known as MSIX).