Your machine is clean,
It's a nice looking machine, not even left over entries. Malwarebytes also showed clean except for the 1 item.
Our frst scan however did not like this program in your uninstall list.
I don't know much about that Caster app some steam app, perhaps you know more.
Don't go around windows an looking for weird files there are a lot of them.
There were no errors concerning kaspersky anti virus, however that does not mean it could not have a glitch or 2 as you indicated.