A little background. A couple of months ago, I bought a new computer and installed Windows 10. I haven't played Heroes for a long time. I tried to launch it, but it doesn't update. I deleted everything, thinking I hadn't updated it in too long. I downloaded it from h3tv and other resources, but it gives similar errors. I installed a new hard drive and other things, and it gives either an unknown error or:
and

If I launch it not with Heroes 3HD, but with Heroes 3, the second error doesn't appear.