My 26-year-old att.net account is broken, and AT&T can't fix it. AT&T's system says my 26-year-old DavidH***@att.net already exists, but I can't access it. I wanted to replace it with a Verizon FiOS e ...

A temporary network disruption that affected AT&T customers in the U.S. Thursday was caused by a software update gone wrong, according to preliminary information from two sources familiar with the ...