MacOS 10.15.3 Update
macOS 10.15.3 cannot update on my MacBook Air (13-inch, Early 2015)
MacBook Air 13", macOS 10.15
macOS 10.15.3 cannot update on my MacBook Air (13-inch, Early 2015)
MacBook Air 13", macOS 10.15
Try the stand alone Combo installer while in Safe Mode.
https://support.apple.com/kb/DL2030?viewlocale=en_US&locale=en_US
Use safe mode to isolate issues with your Mac - Apple Support
Try the stand alone Combo installer while in Safe Mode.
https://support.apple.com/kb/DL2030?viewlocale=en_US&locale=en_US
Use safe mode to isolate issues with your Mac - Apple Support
MacOS 10.15.3 Update