I note now that your virus warning was about the "DSP2020Multiplayer.exe". I had assumed that you had installed the "UAW160Multiplayer13thJune.exe" and the "July05Patch.exe".
However there is no "DSP2020Multiplayer.exe" in that installation but there is a "DSP2020MultiplayerV2.exe".
So what was the download that you installed?

Fly EAW online at GameRanger: GameRanger Site

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Mark Twain: I am quite sure now that often, very often, in matters concerning religion and politics a man's reasoning powers are not above the monkey's.

I am now of an age at which I no longer need to suffer fools gladly