Grubba's fix fixed...

Rev: lib/modules/Process.pmod:1.3

lib/modules/Process.pmod

@@ -10,9 +10,9 @@ varargs int exec(string file,string ... foo)
   if(search(file,"/"))
     return exece(combine_path(getcwd(),file),foo,getenv());
 
-  path=getenv("PATH")||({});
+  path=getenv("PATH");
 
-  foreach(path/":",path)
+  foreach((path?(path/":"):({})),path)
     if(file_stat(path=combine_path(path,file)))
       return exece(path, foo,getenv());