It seems that your issues are with torrents and proxies. I don't think that's a "network problem". Until solved, don't use those.
Anyway, I couldn't guess that "solved with cache" means that you did a reset of Windows nor that "any other program" means "except from browser". The help you can get here is as good (at most) as your description of the problem.
If resetting Windows didn't help, go back to factory settings (or to your latest image backup) and all will be as fine as it was at that time. Then gradually go ahead again. It takes some time, but it's guaranteed to work if there are no hardware issues.
Post was last edited on December 16, 2018 2:01 AM PST