Please offer some advice.

Using the H4ResEx 1.4a utility, I extracted maps from all parts of Heroes 4. However, there's an issue: the campaign maps from "The Gathering Storm" cannot be opened with any campaign editor, and when I tried to run them in the game as regular maps, the game doesn't recognize them. The campaign maps from the original Heroes 4 also couldn't be opened on one computer, but on another, they opened without any problems. The campaign maps from "Winds of War" open without any issues. The games (3 versions - 2.0 patch, 2.2, 3.0 + expansion 3.51) were from a single disc from Buka, and while they wouldn't install on another computer, they could be simply copied over and have been working for several years.