> Please advise Roman, thank you.
>

You can't use the www update from versions < 3.66 to 3.66 or 3.66a. This is an intented behaviour. I removed the note about it when I put out 3.66a...it was on the msgboard/homepage for quiete a while though 8)

Update from 3.66 to 3.66a works fine (and future updates, too of course).