From 5548c30616e84aa6480ac6f0ed469ba88a759927 Mon Sep 17 00:00:00 2001
From: Lipu Fei <lipu.fei815@gmail.com>
Date: Mon, 21 Oct 2019 10:21:48 +0200
Subject: [PATCH] Catch WinErrors for zeroconf

CURA-6855
---
 .../UM3NetworkPrinting/src/Network/ZeroConfClient.py   | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/plugins/UM3NetworkPrinting/src/Network/ZeroConfClient.py b/plugins/UM3NetworkPrinting/src/Network/ZeroConfClient.py
index b6416b2bd0..0446af177b 100644
--- a/plugins/UM3NetworkPrinting/src/Network/ZeroConfClient.py
+++ b/plugins/UM3NetworkPrinting/src/Network/ZeroConfClient.py
@@ -36,9 +36,15 @@ class ZeroConfClient:
     def start(self) -> None:
         self._service_changed_request_queue = Queue()
         self._service_changed_request_event = Event()
-        self._service_changed_request_thread = Thread(target=self._handleOnServiceChangedRequests, daemon=True)
+        try:
+            self._zero_conf = Zeroconf()
+        # CURA-6855 catch WinErrors
+        except OSError:
+            Logger.logException("e", "Failed to create zeroconf instance.")
+            return
+
+        self._service_changed_request_thread = Thread(target = self._handleOnServiceChangedRequests, daemon = True)
         self._service_changed_request_thread.start()
-        self._zero_conf = Zeroconf()
         self._zero_conf_browser = ServiceBrowser(self._zero_conf, self.ZERO_CONF_NAME, [self._queueService])
 
     # Cleanup ZeroConf resources.