"An interface has too many methods to fire events from"

> When importing an MPG file I get the error message "An
> interface has too many methods to fire events from". This
> happens with and without clip generation. The fault is
> intermittent, and can be reproduced on 3 different high-
> spec PCs.= using several different mpg files.
>
> My WMM2 is fully patched, at least Windows Update says it
> is.
>
> Many thanks,
> Kenji