You need to enter you Mac password.
Have you tried entering Mac password? let me know
That worked! How did you figure this out. Weird right?
Normally Mac OS requires permission from Administrator ( User) , in order to approve installation of the application which is going to access System Files in order to deploy the applications on particular computer. So it will ask for Mac password to authenticate whether the user is okay with process and to get permission for the same.
This is the basic Mac OS security feature.
Not only for Adobe apps , even for other apps it will ask for password , if it is going to access System files:
Know any reason why mine is showing odd characters?
Normally this happens because of font named San Francisco , move this font from ~/Library/Fonts on to Desktop .
Then check , it shud resolve the issue.
For more information it is better to check with Apple Support once.
However you may try below steps:
1) Right click on Finder icon and select "Go-To" Folder option.
2) You will get a text box, type-in below command and then hit 'Return' key.( " Do not miss ~ symbol " )
It will open User Library folder.
Inside Library folder locate Fonts folder,
Open it and locate San Francisco font , move it to Desktop.
Then try to install any app and see whether the Authentication dialog box has proper English words or not ?