hi everone im new to this forum. im after a bit of help please.i am a beginner at this computer stuff so i have limited knowledge. i installed vista ultimate last night. my specs are pentium4 2.5ghz. 1500mb ram. asrock socket 478 with onboard graphics. i installed vista ultimate last night to find that nero wont install and when i play videos on windows media player the picture is slow and blury. can anyone help me