You're right, the archive is messed up. I guess it always was. Send me a good one and I'll replace it.
Another related note: I have just failed to download A:WIP 6.0 for the third time in a row. Only managed to get 58 Mb at best. It may be my connection dropping out half way, but after three attempts, I can't be bothered testing further. Thanks.
I just tested it to see if A:WIP would download normally. Had no problems with it, so it would seem the source of the problem must be on your side.
Do we have a backup of secrets.zip? I may have a copy of it, but there would be a LOT of digging to find it, so I'm reluctant to do so until someone can confirm it's necessary.
I think the best chance we got is to look for the file somewhere else on the internets. If it got corrupted here then it most likely happened when it was uploaded, and I didn't reupload it when upgrading the DL section. So in other words, it was always broken here, backups probably won't be much help.
This corruption seems old, it was already present in 2006 when I saved all T-A downloads. But I happen to have the correct version, supposedly from arcanumlab.free.fr, though I can't find this particular mod on their webpage. http://www.mediafire.com/?g8mkncm485zwr5c