Vista - Scroll Speed - Poor scrolling in explorer

When in Vista Explorer scrolling using the mouse is terrible!!

I have an MS 6000 wireless keyboard and mouse, I have set the scroll speed
how I like it and it works fine in Firefox etc.

However, when it comes to explorer it's terrible, moving the scroll wheel
does nothing for a while then the file list 'scrolls' by almost a screenfull
at a single jump. It's very much like using the 'page up' and 'page down'
keys. I though Vista had smooth scrolling by default?

I have my mouse scrolling set to go faster depending on the speed you turn
the wheel. I've changed the settings, trying various permutations but
nothing seems to improve things.

I also have the same problem in Windows Mail, the list of newsgroup articles
scrolls the same as in explorer, in chunks, while in the article reading
pane the text scroll smoothly and with varying speed depending on how fast I
turn the wheel.

In both cases dragging the scroll bar up and down works fine, it seems to be
just the mouse wheel.

Any help or suggestions appreciated.

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Regards
Nick

I have the same problem as you. It looks like some guru could make some suggestion about the problem. And yes, it's a Vista problem.