Bizarre error

[atreides93]

I've never seen this error before
This is with dvd decryptor v3.1.6


I 12:24:50 Writing Image...
E 12:30:42 Failed to read from file: sarahmac-customconcert.iso
E 12:30:42 Reason: The supplied user buffer is not valid for the requested operation.
I 13:03:02 Synchronising Cache...
E 13:03:24 Failed to Write Image!
E 13:03:24 Operation Failed! - Duration: 00:39:27
I 13:03:24 Average Write Rate: 441 KB/s (0.3x) - Maximum Write Rate: 2,816 KB/s (2.1x)

[atreides93]

I rebooted, and the problem went away.
I think perhaps opening and closing DvdDecryptor a lot can cause this problem....probably some microsoft issue.