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I am using the latest MacBook Pro 2018 version. After upgrade to MacOS Mojave, I cannot sign out, login App Store or View my account. It always show "Cannot Connect to App Store". I also upgrade my iMac to MacOS Mojave, my iMac does not have this issue.
How can I fix this issue on my 2018 MacBook Pro?
Thank you
MacBook Pro TouchBar and Touch ID, iOS 12
I found a solution that worked for me. It took me two steps, and all credit to BocaBoy in this thread: Re: Mojave installation fails: duplicate App Stores, can't sign in with Apple ID (Macbook Pro, Late 2016)
OK, I just spoke with Apple engineering and they gave me a fix for this. It worked for me and it may work for you. You must know how to use Terminal and access hidden directories with Finder in the root of your drive.
First, make SURE that you've backed up the directory /Library/Security/Trust Settings. Copy it on your Desktop or Downloads directory, or wherever you'll be able to access it.
1. Again, back up the user certificate trust settings files described above. Then, remove them with the following commands, entering your administrator password when prompted:
cd "/Library/Security"
sudo ditto -ck "Trust Settings" TrustSettingsBackup.zip
cd "/Library/Security/Trust Settings"
sudo rm *.plist
2. Attempt to sign into the App Store.
This didn't work for me until I restarted at which point I was able to log in and see all of my accumulated updates. If you're not comfortable working at the system level, DON'T do this. If you are, this may fix your problem. It did for me.
Once you're sure that you've got the App Store working, you can delete the TrustSettingsBackup.zip file as well as the backup of the Trust Settings directory.
3. Reenable System Integrity Protection by repeating step 1 but using the command csrutil enable.
After I modified the Trust Settings directory, I was able to reboot and connect to the App Store and Books Store.
Good luck, everyone!
FINALLY!! This worked for me and it was so easy. I've been fighting this for weeks.
Thank you Checkyorself289!
I've tried everything, BUT, this suggestion worked.
Thanks. bunch jgoz85
When it comes to the part with the password I am unable to type it, nothing even comes up when I type.... is that how its post to be.
Just revisiting here to confirm that, for our observation of this issue, the macOS 10.14.4 update newly released today does provide the fix.
Cheers.
After upgrade to MacOS Mojave, I cannot login or connect to App Store.
