Hi DaChubby
You cant upgrade GW to GWX
GWX needs to be installed on a clean install of SH3 patched to 1.4
It may be possible to use an old career as long as it in port - you will have to save the career as the SH3 folder in my documents needs to be deleted too
http://www.subsim.com/radioroom/showthread.php?t=102096
Read the above thread