I downloaded the latest version of Android Studio and installed.When the program setup, this message always show up.I cannot figure it out why.And I have done some research such as the OS version problem and.......after that i click the button "retry" for many times but still don't work.thank you in advance.My english is poor,sorry.
The following SDK component was not installed: sys-img-x86-addon-google_apis-google-21