ensure_server: start with a hidden console (CREATE_NO_WINDOW), never DETACHED_PROCESS: a console-less server made every git and compiler run it started open a visible window

harbor/hooks.py

@@ -221,8 +221,8 @@ def ensure_server(project, every=60):
         import subprocess
         flags = 0
         if os.name == "nt":
-            flags = (subprocess.DETACHED_PROCESS | subprocess.CREATE_NEW_PROCESS_GROUP
+            flags = (subprocess.CREATE_NO_WINDOW | subprocess.CREATE_NEW_PROCESS_GROUP   # hidden console, no windows
-                     | subprocess.CREATE_BREAKAWAY_FROM_JOB | subprocess.CREATE_NO_WINDOW)
+                     | subprocess.CREATE_BREAKAWAY_FROM_JOB)
         command = start if isinstance(start, list) else [start]
         try:
             subprocess.Popen(command, creationflags=flags, stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL,