We've got that patch installed to fix the "black lines" issue, which the patch did fix. this issue is still happening.
however we narrowed it down to happening most frequently with Aero + Adjust for Best Appearing. Changing settings to Adjust for Best Performance significantly reduced the frequency of the issue, although it does still happen. We also found it happens via a Console connection, even after uninstalling the View Agent and reinstalling the Vmware Tools. so whatever the cause it seems to be with the VMs or HWv9 or maybe the ESXi hosts, similar to the "black lines"