Well awfully quiet out there! But anyway it's fixed, yay! I reinstalled _again_ using a completely virginal copy of the 3.21 files, and this time I decided to try 'install.bat' which worked perfectly!
Then I uploaded all the following from my old files:
/calendarscript/calendars.*
/calendarscript/calendars/*.*
... and that seems to have been the right thing to do. I now have all my calendars back and I just need to re-enter my users. I'll write again if I run into any more snags.
Regards and again thanks for this great script! -- HB
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Howard Ballinger