[103]MSCrypto API could not calculate Message Digest of WAD file

The workaround, according to the EBC, is to paste the following into the "comments" field of the "Submit to USPTO" page:

-----please ignore the following for work around purpose only,
1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz