I'll definitely be looking for Windows 7 when I replace my computer. Vista has been such an unfriendly OS.
I disabled the AV as you suggested, Rik, plus the firewall and all other background programmes. For good measure I also deleted the Temp folder and uninstalled the software for my Sansa Fuze in case there been a conflict. I don't know which of these measures worked, but one of them did
.
Thanks for your help everyone
. Now I've just got to familiarise myself with my new toy. Should be fun
.