Finder Wants To Make Changes Never Ending Loop

Hey there Hartmut Hillmann,

Does the issue persist after restarting normally? If so, you'll want to take a look at your login items.

Remove login items to resolve startup problems on your Mac

Have a good one!

Hello Hartmut Hillmann,

Welcome to Apple Support Communities. We understand that Finder is prompting you to enter your password to make changes. We are happy to help.

Many times restarting your device can resolve many concerns. Please use the steps here to restart your Mac: Shut down or restart your Mac - Apple Support

"Restart your Mac

1. On your Mac, choose Apple menu > Restart.

If you don’t want app windows that are open to reopen when your Mac restarts, deselect “Reopen windows when logging back in.”

if no resolution, we recommend testing in safe mode to see if this concern persists ion safe mode: Start up your Mac in safe mode - Apple Support

"Apple silicon

1. Shut down your Mac.

2. Turn on your Mac and continue to press and hold the power button until you see the startup options window.

3. Select your startup disk, then press and hold the Shift key while clicking “Continue in Safe Mode.”

4. Log in to your Mac. You might be asked to log in again.

Intel processor

1. Turn on or restart your Mac, then immediately press and hold the Shift key as your Mac starts up.

2. Release the key when you see the login window, then log in to your Mac.

3. You might be asked to log in again. On either the first or second login window, you should see ”Safe Boot” in the upper-right corner of the window."

These steps may help. Please let us know if you have further questions.

Take care.