won't let me preview my supplements

<p>for some reason when i click "print preview" for my supplements, everything kind of reloads, but it doesn't open any kind of print preview or pdf file. is anyone having a similar problem/does anyone know how to fix this? i couldn't find anything on the common app help center....</p>

<p>if it helps, i run Mac OS.X Leopard.</p>

<p>BUMP!! same problem here</p>