MacWindows.com has reported a great tip for VMware Fusion users encountering problems with Mac FileVault encryption.

Perhaps you are getting a similar syntax error:

File "/Users/David/Documents/Virtual Machines.localized/Windows Vista.vmwarevm/Windows Vista.vmx" line 76: Syntax error.

You can work around this issue by creating or editing the file:

~/Library/Preferences/VMware Fusion/config

and adding the line:

mainMem.useNamedFile = "FALSE"

Having a similar problem?  Let them know.  Comment and read the entire article, here.