"This file appears to have been modified." on all saves since macOS High Sierra

I just upgraded my macbook to High Sierra. Since then, every time I save a file I am editing, I am getting the message "This file appears to have been modified." and "The file at ... may have been changed on disk by another application. If so, saving this document may cause data loss. Are you

Re: "This file appears to have been modified." on all saves since macOS High Sierra

I am pretty sure it is the upgrade to High Sierra. I did that yesterday evening and I started seeing the “file modified” message right after that. It may have to do with the new file system introduced on SSDs with High Sierra ... -- Albert Godfrind 7 Domaine de la Vigie 06410 Biot France +33 6