diff --git a/Mac/scripts/binhextree.py b/Mac/scripts/binhextree.py
index 19faf40b31d..535bc7b5e7d 100644
--- a/Mac/scripts/binhextree.py
+++ b/Mac/scripts/binhextree.py
@@ -70,10 +70,8 @@ def binhexcompare(source, hqxfile):
 
 def hexbincwprojects(creator):
 	"""Compact and hexbin all files remembered with a given creator"""
-	print 'Please start project mgr with signature', creator,'-'
-	sys.stdin.readline()
 	try:
-		mgr = MwShell(creator)
+		mgr = MwShell(creator, start=1)
 	except 'foo':
 		print 'Not handled:', creator
 		return
diff --git a/Mac/scripts/fullbuild.py b/Mac/scripts/fullbuild.py
index c8d7ed2b102..bb06d190272 100644
--- a/Mac/scripts/fullbuild.py
+++ b/Mac/scripts/fullbuild.py
@@ -32,15 +32,7 @@ class MwShell(aetools.TalkTo, Metrowerks_Shell_Suite, Required_Suite):
 
 def buildmwproject(top, creator, projects):
 	"""Build projects with an MW compiler"""
-	if not creator in RUNNING:
-		print 'Please start project mgr with signature', creator,'-'
-		sys.stdin.readline()
-		RUNNING.append(creator)
-	try:
-		mgr = MwShell(creator)
-	except 'foo':
-		print 'Not handled:', creator
-		return
+	mgr = MwShell(creator, start=1)
 	mgr.send_timeout = AppleEvents.kNoTimeOut
 	
 	for file in projects:
@@ -50,8 +42,8 @@ def buildmwproject(top, creator, projects):
 		mgr.open(fss)
 		try:
 			mgr.Make_Project()
-		except MacOS.Error, arg:
-			print '** Failed. Possible error:', arg
+		except aetools.Error, arg:
+			print '** Failed:', arg
 		mgr.Close_Project()
 ##	mgr.quit()