I am not able to update to "macOS Catalina 10.15.4"

lokeshwarn Said:

"I am not able to update to 'macOS Catalina 10.15.4': I am not able to update to 'macOS Catalina 10.15.4' on my MacBook Air. It asks for "Restart to update", and after restarting the same window "Restart to update" pops up."

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Try This:

Update Via a Newly-Created Administrator in Safe Mode:

Perform the following in the order provided:

I. Create the Administrator user

1. Go To: System Preferences
2. Select: Users & Groups
3. Press: the "+" to add the user.
4. Make Sure: it is an Administrator type user

II. Boot into Safe Mode:

(Hold Down the shift key upon boot) and see if this can be performed. In Safe Mode, items open as they would by default with all other settings set aside.

III. Use the New Administrator:

1. Login: as the new Administrator
2. Install: the update

http://www.macmaps.com/docs/DOC-13695/

shows you what upgrades are available.

http://www.macmaps.com/jaguarleopard.html

show you what updates are available.

You can't install anything but 10.15.0 on top of 10.14.6 or earlier. That's known as an upgrade. It may actually install as 10.15.4 and skip 10.15.1 to 10.15.3. If you are running 10.14.6 or earlier, be sure to read this tip:

https://discussions.apple.com/docs/DOC-250001761

backup before installing anything.

• Links to my pages may give me compensation.

lokeshwarn Said:

"I am not able to update to 'macOS Catalina 10.15.4': I am not able to update to 'macOS Catalina 10.15.4' on my MacBook Air. It asks for "Restart to update", and after restarting the same window "Restart to update" pops up."

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Install Via a New Administrator:

1. Create: a New Administrator
2. Log In: to the new Administrator
3. Install: the update with the new Administrator
4. Restart: The Mac