Safedisc won't let you launch the game unless you apply THISfixed exe. This is delivered as a US no-cd patch but it should work for all versions, and others cracks simply don't work because they require some unimplemented kernel32 functions.
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by Martin Tournoij on Saturday December 30th 2006, 14:58
This game runs poorly on windows, crashes occur frequently (once every ~15 minutes)
From the Website:
Subject: Problems running "Omikron : The Nomad Soul" under Windows XP
We received many e-mails reporting problems running "Omikron : The Nomad Soul" under Windows XP. Released in 1999 months before Windows XP came out, "Omikron : The Nomad Soul" has therefore never been tested or certified to be compatible with what was - at the time - still a "soon to be" operating system. Please, make sure your version of Windows XP has its "Windows 98 compatibility mode" activated. If so, and if you are still experiencing problems, please contact Eidos or the customer services of the shop where you bought the game for a refund.
The "Omikron : The Nomad Soul" Team
I'm running windows 2000, but windows 2000 and xp are the same thing.