What happen to my msn?

What happen to my msn?no sound so quiet..Nudge also no sound complete silent..people sign in,recieve msg no sound..setting all turn on

are you using OSX? it happened to me once...

didn't know what but after i did a verification of the drive, it was all right again..

Window vista...lol people nudge me the screen also not shaking..only word

i know liao because set to busy

Yep. busy no sound.

Just the orange notification @ if it's minimised.