Update March 27th, 2020 (Link updated): Early report of QBittorrent 4.2.2 causing issues, so hold off from upgrading to version QBittorrent 4.2.2. If you upgraded and it's causing issues go back to version 4.2.1 by going to the following link:

These are links to only the windows versions for 32 bit and 64 bit and you have to scroll down on the page to go to the links.

https://www.neowin.net/news/qbittorrent-421/

If nothing is wrong then keep on with your day.