Parallels Desktop 8 for Mac is lets you seamlessly run Windows and Mac applications side-by-side

Reader reports Parallels 7 wake-from-sleep freeze with Mountain Lion

Stephen Adair reports seeing the problem of Windows 7 in Parallels Desktop 7 not waking after the Mac is put to sleep. The problem had been reported with Lion, but Adair sees it with Mountain Lion:

"Parallels is still freezing after I close my MacBook and try to reopen and start using again. I am using OS X Mountain Lion with Parallels 7 and Windows 7."
In order to run in Mountain Lion, Parallels requires Parallels Desktop 7 Build 7.0.15104 or later, or Parallels Desktop 8. When you try to run a version earlier than Build 7.0.15104, Parallels Desktop won't start at all. If you've seen this problem