The file appears to be corrupt. It actually needed to be changed in any event since there are now only 24 videos not 25.
So I will be replacing the corrupt File 25 with a placeholder. The 5.1 revision video will be in File 24. The Table of Contents will be revised. Files 25 & 26 will then remain placeholders for possible future videos.
Apologies for this. All the corrections should be made by midnight EST. The product will be made 'live' in its own section of the store tomorrow - Wednesday, June 16
There appears to be a problem with file 25: the downloaded zip file is 299.1 MB however when unzipped I only get a 4 KB "Read Me - Placeholder" text file. I have tried downloading four times on both an iMac and a PowerBook G4 both running Mac OS X v 10.5.8 and tried expanding the file using Archive Utility and StuffIt Expander.
The other files up to file 22 expand with no problems.
Can you please check the file.