Windows 8 is gathering the buzz. However, in an "urgent and critical" service advisory, Parallels warned its customers on Wed. to proceed with caution when updating existing virtual machines to Windows 8. Data loss could be the result.
Upgrading from an existing Windows OS to Windows 8? We strongly suggest waiting until Parallels has finalized testing the upgrade process. Upgrading now may damage your virtual machine, causing you to lose all your data, files and Windows applications. We're working hard on completing our testing of the Windows 8 upgrade, and will inform you via in-product notification when you can successfully upgrade to Windows 8.
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At the same time, a new virtual machine should work just fine, the advisory notes. The only caveat is to use the very latest build of Parallels Desktop 8 to create this new virtual machine.