Looking for logging into the I Tunes On Mac Wont site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the I Tunes On Mac Wont site. After that you can login as usual with your login credentials.
https://discussions.apple.com/thread/7854070
https://support.apple.com/en-us/HT201400
https://www.imobie.com/support/how-to-fix-itunes-store-sign-in-problem.htm
https://www.imore.com/cant-authorize-your-computer-itunes-heres-fix
https://www.imore.com/how-create-apple-id-your-mac
https://forums.macrumors.com/threads/apple-tv-wont-let-me-sign-in.2051952/
https://www.usatoday.com/story/tech/columnist/2017/07/19/my-iphone-mac-ipad-wont-stop-asking-my-apple-id/481163001/
https://macreports.com/mac-cannot-connect-to-app-store-fix/
http://osxdaily.com/2016/10/23/fix-icloud-unknown-error-cant-connect-problem-mac/
https://appletoolbox.com/2015/09/icloud-keeps-asking-for-password-ios-and-os-x-fix/
https://macpaw.com/how-to/fix-macos-sierra-problems
https://www.macworld.com/article/3267709/software/mac-app-store-apple-id.html
https://www.macobserver.com/tips/quick-tip/getting-two-factor-verification-codes-apple-id/