I can not install the High Sierra UPGRADE but I already have High Sierra installed
I can not install the High Sierra UPDATE COMBO. I already have High Sierra installed. I understand this is a patch to correct some bugs. I'm currently running iOS 10.13.6 with 4 gigs of RAM and a 1TB SSD. 725 gigs of free space on a Mid 2010 MacBook Pro. Why won't it install? I get a message saying: "This volume does not meet requirements for this update." How is this possible?
MacBook Pro