Mac OS X
Q: mail will not open or load it shows "Preferences Error"
Preferences Error
"Could not load Internet Accounts preference pane"
iMac (21.5-inch Mid 2011), iOS 9.3.5
Posted on Sep 1, 2016 5:12 AM
by zinacef,Apple recommended
Applications
See this -- If you see a 'could not load' message when opening a System Preferences pane - Apple Support
Posted on Sep 1, 2016 8:31 AM