[TreeFrogBandit]

Originally Posted by BetterRed

Try setting CALIBRE_TEMP_DIR to something like C:\!Calibre\Temp.

See ==>> Environment variables

BR

Thanks BetterRed I'm a bit confused though - Running windows, do I just put

CALIBRE_TEMP_DIR = C:\!Calibre\Temp

in the windows list of paths? Or do I need to make some changes in the calibre program itself?