Parallels HDD missing in OS X

Hi,

I've been running Parallels Desktop 3 under OS X 10.5 (Leopard) for nearly two years. Last week, I upgraded to PD5 and then to OS X 10.6 (Snow Leopard). Both upgrades went smoothly and Parallels seems to have been working OK since (though perhaps a little less quickly than it did previously).

I've noticed this morning that the Parallels hard disk that was always visible on my OS X desktop is no longer visible – nor is it visible in the sidebar when I open a Finder window. I tried quitting Parallels and relaunching it, but no change. Without this HDD visible, it makes it difficult to save/copy files from OS X to my VM. How can I get this Parallels HDD to show on my desktop again?

I'm on OS X 10.6.3 and PD 5 build 5.0.9344 (revision 558741).

Thanks,

Rob