In addition, I will send you an archive, the map is all open, and the money is 99999. I suggest not using it at first, which will affect the fun of the game.
I guess your question is this:
The original tech48 needs to be installed without a dvd patch to play, otherwise it will prompt you to play a dvd. Your antivirus software may have removed this patch as a virus. The Chinese program I sent you contains a patch without dvd. You can try to install it directly into your game folder. If not, try downloading it again.
Let me give you a suggestion. In fact, it is also common sense knowledge. Many game programs will be misreported by antivirus software. Don't worry if it's not confirmed to be toxic.