Perhaps try redrawing the wave form.

From the Help file.




1.
Go to Edit > Select > All to select all clips.

2.
On the Track view Clips menu, select Recompute Picture Cache.

tx but nah i will not fix the problem.

i open brand new project, and its still same problem. :(

any idea anyone?  last call

Maybe it is fixed in the X2a patch

i cant install x2a.. im on XP.