These issues already went away for me, not sure why and when. I too rarely use windows. There are still some programs that act weirdly, but it's no longer as bad.

When I think fixed it was...

I have Lenovo IdeaPad z510 laptop with windows 10 (upgraded from 8.1).
For a few months (or more?) I have a problem with my touchpad:

In some situations it doesn't work at all. Sometimes it works...