tracpad problem

i have bought my macbook for exactly 1 month....today i have updated my mac os x 10.6.3 to10.6.4...after updating my tracpad is behaving unlikey at several times...i am so worried... if anyone can help me out plz....with regards..shawon

u can use usb extra mouse?....
if can pls use it and to check preferences --> trackpad... or can go to warranty center...

hope any one help him soon....