Patches 1.4, 1.41, and 1.5 cannot be installed.

If the game is not a licensed copy, the patch won't even attempt to install – it says that the file was not found and terminates. If it somehow installs, it means that the game is fine in terms of licensing. If it installs in the wrong location, you can search all disks for the file H5_Game.exe. If a second instance is found, you can manually copy everything to the correct location, or delete the game, clean the registry, and reinstall everything from scratch. If a second instance is not found, you need to troubleshoot Windows, antivirus programs, and firewalls. With an active antivirus, even on a powerful dual-core computer, you might have to watch the opening sequence for 5 minutes.