FIXED! Here's how:

If you use iATKOS with Chameleon, you might have this issue where you cannot boot windows 7/vista due to corrupt/missing winload.exe . This is how to fix it:

Boot your disc
Select advanced tools
Select Command Prompt
Type diskpart
Type list
Memorize your disk #
Type select disk # (mine was 0)
Type list
Memorize your partition # (mine was 1)
Type select partition #
Type active
Type exit
Type bootrec /rebuildcd
Exit

Fixed!

Tested on Windows 7 Ultimate x64 RTM