[HELP] gtk radiant problem "cant compile"

[101jon101]

hey, my promblem is is when i go to build\GZmap-no light it says

"Failed to execute the following command: "gzmap.exe" -basez c:\\programfiles\gunzmap\data\maps\funfun.map"
check that the file exists and that you dont run out of system resources"

can you help???

[MentaL]