Another update on the problem with Internet Explorer missing keystrokes. Doing some more research I found another reference to the problem – specific to Sony VAIO laptops. As suspected in the earlier post – the problem is down to the fingerprint reader software.
Here’s the post with the solution:
http://bwain-dump.blogspot.com/2009/02/sony-vaiointernet-explorer-typing.html
I’ve run through the steps in this post and haven’t had a dropped keypress yet – so looks like it’s finally fixed!