diff --git a/copyparty/broker_mp.py b/copyparty/broker_mp.py
index cb8204ad..6978cfb9 100644
--- a/copyparty/broker_mp.py
+++ b/copyparty/broker_mp.py
@@ -3,6 +3,7 @@ from __future__ import print_function, unicode_literals
 
 import threading
 import time
+import traceback
 
 import queue
 
@@ -93,12 +94,15 @@ class BrokerMp(object):
 
             else:
                 # new ipc invoking managed service in hub
-                obj = self.hub
-                for node in dest.split("."):
-                    obj = getattr(obj, node)
+                try:
+                    obj = self.hub
+                    for node in dest.split("."):
+                        obj = getattr(obj, node)
 
-                # TODO will deadlock if dest performs another ipc
-                rv = try_exec(retq_id, obj, *args)
+                    # TODO will deadlock if dest performs another ipc
+                    rv = try_exec(retq_id, obj, *args)
+                except:
+                    rv = ["exception", "stack", traceback.format_exc()]
 
                 if retq_id:
                     proc.q_pend.put((retq_id, "retq", rv))
diff --git a/scripts/sfx.py b/scripts/sfx.py
index b15c925f..88fac94e 100644
--- a/scripts/sfx.py
+++ b/scripts/sfx.py
@@ -429,7 +429,7 @@ def run_i(ld):
 
 def run_s(ld):
     # fmt: off
-    c = "import sys,runpy;" + "".join(['sys.path.insert(0,r"' + x + '");' for x in ld]) + 'runpy.run_module("copyparty",run_name="__main__")'
+    c = "import sys,runpy;" + "".join(['sys.path.insert(0,r"' + x.replace("\\", "/") + '");' for x in ld]) + 'runpy.run_module("copyparty",run_name="__main__")'
     c = [str(x) for x in [sys.executable, "-c", c] + list(sys.argv[1:])]
     # fmt: on
     msg("\n", c, "\n")