To check the files for curruption when transferring, you can either use some checksum software, creating .md5 or .sfv files before the transfer and checking them after, or simply pack everything in WinRAR and use the "Test Archive" command after you transport the archive to the destination.
I always used Opera and TWC opened for me all the time, flash should only load the advertising.
Tech stuff aside, I'm glad to see you back... I really want to play a campaign.