If you don’t want to install these files via the unofficial fan-made patch, you can copy them manually from an archive. Missing DLL files – In order to get the game to work, you need to ensure that the dlls subfolder contains 2 custom made Dynamic Library files that help the game run on Windows 10.The best course of action is to install the unofficial patch from the official channels. The game is not patched for Windows 10 – Keep in mind that if the game is not patched with the files from the modding community, you have little chance of getting it to work on a Windows 10 installation.
In this case, you can fix the issue by forcing the game to run in compatibility mode with Windows 10. In this case, you can fix the issuer by forcing the main executable (vampire.exe) to run with admin access.