Connection to playstation network has expired ??? help?

ok. ive moved to a new place. i have internet. (wireless) and i got INTERNET on that damned BOX,,, searching the web goes like a breeze on the ps3. but it tells me when i try to log on ... Playstation network has (for some ungodly reason) expired. ive tried resetting the modem/router ( also back to standard settings) ive tried putting in the information MANUALLY.. opened all the damned PORTS. Called my internet supplier to open up for this ****.... WHY WONT THAT ***** CRACK OPEN.. GAWD.. no error code. just.. cant seem to log onto playstation network. BECAUSE IT FRIGGIN EXPIRED. Im a hairline away from taking out my black and decker and going to town on that thing,,, ive tried everything.. AND I MEAN EVERYTHING... WHY WONT IT WORK,, Mac adress didnt do shait.the cable worked at my last place,. but im in a place where its not possible,,,,, PLEASE SAVE ME FROM HURTING MY PLAYSTATION...!!!!