20 Most Recent Codemasters Clive Barker's Jericho for Windows Questions & Answers

you should contact Jericho's developers

be sure you are clicking the right icon (.exe) or browse manually the right icon to start the game

You may need to change the setting on the games desktop shortcut. "Right click" on the game icon, click on properties. Then click on the "compatibility" tab. Check the "Run this program in compatibility mode for" box then click the down arow and select "Win XP SP2" Click appy then ok. The game should run.

Here's the minimums to run your game.

CPU
Minimum: Pentium 4 2.4GHz+

CPU Speed
Minimum: 2.4 GHz

RAM
Minimum: 1 GB

OS
Minimum: Windows XP or Vista

Video Card
Minimum: GeForce 6600 GT+ / ATI x1600+
Features: Minimum attributes of your Video Card
Minimum 3D: Yes
Minimum Pixel Shader version: 3.0
Minimum Vertex Shader version: 3.0

DirectX version
Minimum: 9.0c

Sound Card
Minimum: Yes

Free Disk Space
Minimum: 6 GB

DVD-ROM
Minimum: Yes

Do you own a legal copy of the game?
If so, it should be contained with it. If it wasn;t when you bought it, contact your supplier.
If you've lost it, I'm not allowed to help, other then by telling you to contact your vendor and hope they believe you.

I really hope you find your key back,
Yannick.