Can't copy file from OSX to Win 7

[whsm]

I installed Window 7 in OSX via VMWare. However I can't copy any file from OSX to Win 7 and I get the error 'You require permission from S-1-1-0 to make the change to this file.'

 

[reghakr]

Does it give you the complete line?, such as this:

S-1-5-21-4277324765-2891694714-945436520-1001