1. Delete the X509Anchors Keychain in System/Library/Keychains
  2. Copy the X509Anchors Keychain in System/Library/Keychains from a working machine and place the updated copy into System/Library/Keychains on the problem machine.
  3. Go to Applications/Utilities/KeyChain Access and then click KeyChain Access on the top menu bar
  4. Select Keychain First Aid
  5. Enter the password and select the option for Repair and then Start.
  6. Attempt to log back into the Hosted application