Rename binary again; increase noise; stop trying to actually kill the process.

Tools/buildbot/build.bat

 @rem Used by the buildbot "compile" step.
 cmd /c Tools\buildbot\external.bat
 call "%VS71COMNTOOLS%vsvars32.bat"
-cmd /q/c Tools\buildbot\kill_python.bat
+cmd /c Tools\buildbot\kill_python.bat
 devenv.com /useenv /build Debug PCbuild\pcbuild.sln

Tools/buildbot/kill_python.bat

 cd Tools\buildbot
 nmake /f kill_python.mak
-kill_python3.exe
+kill_python4.exe

Tools/buildbot/kill_python.c

@@ -44,6 +44,7 @@ int main()
 		_strlwr(path);
 		printf("%s\n", path);
                 fflush(stdout);
+                /*
 		if (strstr(path, "build\\pcbuild\\python_d.exe") != NULL) {
 			printf("Terminating %s (pid %d)\n", path, pids[i]);
 			if (!TerminateProcess(hProcess, 1)) {
@@ -52,6 +53,7 @@ int main()
 			}
 			return 0;
 		}
+                */
 
 		CloseHandle(hProcess);
 	}

Tools/buildbot/kill_python.mak

 kill_python.exe:	kill_python.c
-		cl -nologo -o kill_python3.exe kill_python.c psapi.lib
+		cl -nologo -o kill_python4.exe kill_python.c psapi.lib