I get this error when I try to start the game:

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Error during initialization:

Steam must be running for initial authentication to succeed. Please start Steam and restart the game to continue.

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I don't know what the issue is.

Could someone help me out?

I just installed Windows 8, could that be the problem?

Is 4D1 compatible with Windows 8?

The error itself is quite clear. You have to start Steam.

And yes, 4D1 projects are compatible with windows 8 (it even prompts to install .net Framework 3.5 and does it all automatically if missing, wich is a blessing to this community)

The error itself is quite clear. You have to start Steam.

And yes, 4D1 projects are compatible with windows 8 (it even prompts to install .net Framework 3.5 and does it all automatically if missing, wich is a blessing to this community)

I've tried launching the game with steam online and in offline mode.

That doesn't solve the issue.

Could anything else be causing this?

You might be missing some folder or something...

Stop by our IRC channel and maybe someone can spot the problem for you