Hi Robert,

Thanks for the reply. All machines are running v1.7.3. I ran the tests you mentioned...

TEST 1
Encoding on Mac, uploading to AmazonS3, downloading again to the same Mac...I tried this and it worked for one of my two problematic large archive sets. The one encoded on a PowerMac G5 worked when downloaded to the PowerMacG5 (it wouldn't with two different Mac Pro machines). The one encoded on a Mac Pro asked for a non-existant password when downloaded to the original Mac Pro.

TEST 2
Doing the original process but with a smaller file - original 14.7MByte PSD file encoded into a 3MByte and 2.3MByte archive...encoded on MacBook Pro (17-inch, 2.4Ghz Core2Duo, summer 2007), uploaded to AmazonS3, downloaded on PowerMac G5 and Mac Pro...success on both PowerMac G5 & Mac Pro.

If you like, I can e-mail you links to the component files of one of the two large problem archives (the more problematic one encoded originally on the Mac Pro has sensitive data unfortunately).

Thanks,
Daniel