Why my Sony Ericsson W705 have problem with the youtube? HELP PLZ!!!?

[happyrainbow1]

I can log in into Youtube using my W705...but just the BIG problem to me was when i press play to play the video...it always said ' Video was interrupted.Please restart the video ' ... HOW CAN I SOLVE THIS PROBLEM!! HELP PLZ!!

Ps- i just bought this handphone few days ago..help~!!