Norton Internet Security had failed to upgrade itself properly. It had to be totally removed using the Norton removal tool, then reinstalled. That solved most of the slow computer problems. Who knew?...

Thanks, I've changed the settings.

Every time I start up the computer I have to reset the mouse pointer options to fast from medium. This M510 mouse is not liked by the latest Windows 10. I would expect it to not change the settings...

I've really had it with Windows 10 now. The latest upgrade made my computer slow to a crawl, and disabled my ability to change the features on my Logitech mouse. The mouse now moves 1:1, so that I...