To anyone else who has this problem with the steam version...
1) Open Steam
2) Right click on Uplink in Library
3) Click the Betas tab
4) Choose to opt into Betas

It downloads a patch and now my mouse/trackpad work.

I just recently purchased the Uplink/Darwinia pack from Steam after a friend told me how great uplink was. After watching him play and some youtube videos, I excitedly bought it. The problem is that I start the game and right from the get go, my mouse and trackpad stop working. I can hit enter to ge...