copy and past from a reseller
good info
If you have AT&T INTERNET and are having issues with not being able to login, constant buffering, or invalid/expired error messages you need to follow these steps:
1️⃣ Download the AT&T Smart Home Manager app
2️⃣ Login to the smart home manager app
3️⃣ Click profile tab at bottom far right
4️⃣ Click on account and select
ActiveArmor
5️⃣ Select cancel service
*NOTE: You can reactive ActiveArmor at any time, it’s a free security service they offer.