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So I stumbled across this site the other day: http://www.le-grenier-informatique.fr/pages/les-telechargements/utilitaires.html
Among a few other French versions Winworld does not have, it has a download for a French language Microsoft Excel 2.1.
But looking at the images in their download, it appears this software is supposed to be copy protected!
First of all, these are supposed to be 720k images, but the files are 1.4mb in size. They just overdumped. Truncate everything after hB4000 and the images are ok. Presumably the included rawrite will only write the first half to a genuine 720k disk. No big deal there.
But when trying to run the installer, it complains (in French) that a copy protection check failed and the installaller exits.
The installer seems to look for bad/invalid sectors that are not present in this IMG dump.
Looking closer at the disk image, it seems head 0, track 4, sectors 3, 4, 5, 6, 7, 8, 9
and head 0, track 5, sectors 1, 2 are probably supposed to be invalid or nonstandard. Of course they were not read in by a simple raw image reading program and replaced with sector fill.
Ignoring the installer, Excel 2.1 will run from the installation floppy disk. But not the hard disk.
EXCEL.EXE will look for the presence of a hidden directory with an invalid name, and refuse to run if it does not find it.
The installer disk, which also contains excel.exe, contains two hidden directories with invalid names. If I create a directory with the same invalid name on the hard disk, then EXCEL.EXE will run from the hard disk.
So, anyway, I'm not entirely sure what to do with this. If someone wants to take a crack at cracking it, I'd consider posting an unprotected copy. Otherwise, let it be known that the French version must be dumped with a Kryoflux, SuperCard Pro, or Transcopy card.
The weird thing is that none of the other copies of Excel 2.x I have encountered were copy protected. By this point in time, Microsoft had mostly given up on disk-based protection. I wonder what made them decide to copy protect this version? Especially since Excel and it's runtime was a gateway towards making unexpecting users install Microsoft Windows. Without disk scans, I don't really know if this was a retail or some special OEM version. There may have been other 2.x French revisions that were not copy protected - I don't know.