App Store request: An unknown error (100) has occurred

October 2017


When trying to connect to the App store under MacOS:
 An unknown error (100) has occurred

Solution

  • Close the Mac App Store and iTunes.
  • Open iTunes, go to the iOS App Store and download a random free app
  • Once downloaded, you can delete it and then open up the Mac App Store.
Published by jak58. Latest update on March 21, 2012 at 10:55 AM by jak58.
This document, titled "App Store request: An unknown error (100) has occurred," is available under the Creative Commons license. Any copy, reuse, or modification of the content should be sufficiently credited to CCM (ccm.net).