Hi GraGtr,
Thanks for the information. Currently there are no system outages, yet you can always double check using the page here: Apple - System Status
If you continue to have an issue access your information and if you're using an iOS device, test force closing the App Store and a normal restart of your device. The articles below can assist:
Close an app on your iPhone or iPod touch
Restart your iPhone
However, "Keeping your software up to date is one of the most important things you can do to maintain your Apple product's security." If you have any questions about the content of an update, check out the page below for details.
Apple security updates
If the issue continues, you can reach out to Apple Support directly for further assistance. Get connected here: Contact Apple Support
Take Care!