Hi Stefan,
> that is usually caused by missbehaving antovirussoftware that tries to do
> "on-access" scanning. Try excluding PGDATA from whatever you have there - or
> even better deinstall...
It may well be misbehaving anti-virus software (this machine is not a
dedicated database server). I've added an exclusion rule to PGDATA.
Thanks,
Peter Geoghegan