I am running WoW.exe in windowed and as admin. I am also running HB as admin but it isn't detecting WoW. Log:
my Hb was giving me a 0 build error also, i'ts unfortunate but just close HB and re-open. Cleare cache/Log files if problem persists
Glad to hear you got it fixed. I had the same problem and i found the program on this thread fixed it. Just in case someone else has the same problem.