Mike wrote :-

As far as I am aware this is where we started some days ago. The
installer just "hangs" and John has to Ctrl-Alt-Del out.

Sorry guys, looks like I may have missed some of the earlier postings.

John wrote :-

As stated previously, Device Manager shows 'unknown device' ....

Tried deleting it in Safe Mode and start over?

(Sorry if you've already done that)

Mart

snipped