[Edited by garmonna, 1/30/2012 6:18:32 PM]

You cannot find game because you are using the defaulted 64 bit version.....read the .PDF file included in the trainer with instructions on how to fix your problem. If you cannot read, don't come to these forums.

First there's the Steam version of the game and the prologue (Dead Legions) which should be 1.1.0.1 and is auto-updated.

Then there's the first digital release via Gamersgate at version 1.0.0.5 dated 2012-01-22 if I remember correctly, this build was pulled pretty quickly though due to numerous bugs and as such build 1.0.0.5 2012-01-27 replaced it.
(And probably in a few days there will be a 1.1.0.1 retail patch unless they abandon the non-Steam edition again.)

The 1.0.0.5 trainer is likely for the first build of the game which might be why that above issue happened though I've not tried the trainer myself so it might still work with the second build available (I'm using the console commands for now.) and since there's no patches available the 1.1.0.x patches are entirely for the Steam version though if they don't change the code around too much it might work with a possible retail patch too should such be released.

For the Skidrow release I'm mostly certain the version is the first 1.0.0.5 build and that update they did converts it to the second 1.0.0.5 build.
(I use the Gamersgate version myself.)

And then there's Dead Legions which for Steam should be 1.1.0.0 or 1.1.0.1 if both updated however for the retail version it's 1.0.0.5 build 2012-01-06 again complicating things.