How do I access my personal settings in LibreOffice?

Either another instance of LibreOffice is accessing your personal settings or your personal settings are locked.
Simultaneous access can lead to inconsistencies in your personal settings. Before continuing, you should make sure user ‘’ closes LibreOffice on host ‘’.

Do you really want to continue?

It sounds like a 3rd party anti-virus is blocking LO. You need to allow soffice.bin in anti-ransomware settings, probably you will find it in Blocked apps or something. Question 267726 might help

Of course, it could be something entirely dfferent but no other information, see Getting Started . Cheers, Al

Personal settings are explained in UserProfile