Thanks ricky. This was designed for a fresh install, so you may have to undo other bypassing.
Also, post updated to explain Chams compatibility.
Ampathy: you have to point the installer to a valid Combat Arms directory.
Bond304: "Change back your file in the hackshield to "HSUpdate.exe" without the quotes." (rudy's advice)
PS: I'll work on a patch to skip upload so it doesn't matter if you renamed HSUpdate