Login issue: I have to log in 5-7 times

They are five different daemons that need your password in order to work. You stated you are "running latest iso." macOS is not released in that form. An iso file of the macOS installer is a pirated copy.

Fixing iCloud Keychains, and backing them up

If your Mac keeps asking for the login keychain password

Get help with iCloud Keychain - Apple Support

macOS Sierra- Set up iCloud Keychain

Everything You Need to Know About Keychain in macOS Sierra

Repair Keychain in El Capitan or Later

1. Launch Keychain Access (located in Applications/Utilities)
2. Click "Show Keychains" in the lower-left corner of the window.
3. Select the problematic keychain from the left-hand pane.
4. Navigate to the "File" menu and select "Delete Keychain '(name of keychain)'"
5. Check all options for deletion and press "OK"
6. Create a new keychain by going to the "File" menu, then "New" and selecting "New Keychain"
7. You can now make this keychain your default if you desire by selecting it, then going to the "File" menu and selecting "Make '(name of keychain)' Default"

You're looking at the wrong list:

I assume that would be the login keychain.