Administer name and password

MeharChahal Said:

"Administer name and password: Lock Icon: Not opening Also I know the lock screen password: but i want administer name and password [...]tell please

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Reinstalling the macOS:

Nothing would be lost, it's just that sometimes changes are made to your system, and then then processes become corrupted, technically. When reinstalling, deleted files are reinstalled, and misplaced files are moved back to where they should be. Go Here: How to Reinstall macOS from macOS Recovery - Apple Support

MeharChahal Said:

"Administer name and password: Hello Apple Today I was setting my admin account I accidently made it a standard account now it wants administer name and password And I don't know the password please tell me the sollution Thankyou Mehar"

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Reset the Forgotten Mac Password:

Where to Reset it:

Reset it using the login screen. You'd go through your Apple ID to perform this. Find out more here: If you Forgot your Mac Login Password - Apple Support. Make sure that caps lock is not enabled when typing it.

MeharChahal Said:

"Administer name and password: Lock Icon: Not opening Also I know the lock screen password: but i want administer name and password [...]tell please"

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Thank you for the photo.

Strange. Apparently, there is no Amin user. Not sure how that happened. See if you can reinstall the macOS.

Reinstall the macOS:

Go Here: How to reinstall macOS from macOS Recovery - Apple Support. Important: Be certain to create a backup of your Mac prior to all of this. That way, you can have something to restore from the Mac from, should anything go wrong with the reinstall. Once reinstalled, try this once more.

I don't know which exact Mac you have, but...

See if you can create a new administrator account by restarting the Setup Assistant:

1. Boot into Single User Mode: Start/restart your Mac. As soon as you hear the startup tone, press and hold ⌘ + S until you see a black screen with white lettering. (If you end up back on the login screen after a flash of the black screen with white lettering, enter your password and it will return to the black screen.)
2. Check and repair the drive by typing /sbin/fsck -fy then ↩ enter - as directed by the on-screen text.
3. Mount the drive as read-write by typing /sbin/mount -uw / then ↩ enter.
4. Remove the Apple Setup Done file by typing rm /var/db/.AppleSetupDone then ↩ enter.
5. Reboot by typing reboot then ↩ enter.
6. Complete the setup process, creating a new admin account.

Be very careful to notice the spaces in those Terminal Commands.

Once you've done that the computer reboots and it's like the first time you used the machine, except all your data will still be there. Your old accounts are all safe. From there you just change all other account passwords in the account preferences!!

You are welcome.