Open Mouse properties, and UNcheck "Enhance pointer precision" on the
"Pointer Options" tab

stumped-in-xpPro wrote:

> running XP Pro SP3 with all the patches - well all the ones that apply to
> me...
> in the last week - my cursor "giggles" and when the mouse is left alone -
> the cursor slowly drifts down the page.
>
> The mouse is a dell ball mouse (yes I cleaned it) and it also happens on
> optical mouse too.
>
> I've rebooted - changed usb ports - changed mice -
>
> Anybody got an idea?