Originally Posted by spankyward
I had the same issue. I've had the phone a week. When I'd get a call it would pop up and not let me answer it. I had to do a complete factory reset and so far it's fixed it. No issues. Hopefully it will stay that way. One possible reason might be an ap I downloaded called AVG antivirus. I installed it again, then read some bad posts on it and uninstalled it. Fingers crossed.
How long has it been since you did a factory reset?