never mind I got it
pro tip, launch and set up the game before using UGX Map Manager

2. The Manager gives me an unhandled exception when I try to run it or install a map/mod.
-Considering this program has worked successfully more than 100,000 times for thousands of users you start to wonder what could possibly be going wrong for a handful of people. It usually boils down to an abnormal computer setup, an improperly installed or pirated copy of WaW, etc. Rarely is it ever a problem with our program any more. Verify that you have installed World at War correctly and that you installed it from a valid source such as Steam or the DVD release of the game.

and if u have waw installed correctly & from a valid source (Steam) what do u do?
I keep getting, object reference not set to an instance of an object. (and at the bottom it reads)

JIT Debugging To enable just-in-time (JIT) debugging, the .config file for this
application or computer (machine.config) must have the
jitDebugging value set in the system.windows.forms section.
The application must also be compiled with debugging
enabled.

what do I do