diff --git a/aqt/__init__.py b/aqt/__init__.py
index 4bd09abad..e706b3d8e 100644
--- a/aqt/__init__.py
+++ b/aqt/__init__.py
@@ -327,6 +327,10 @@ def _run(argv=None, exec=True):
     if isMac:
         app.setAttribute(Qt.AA_DontShowIconsInMenus)
 
+    # disable help button in title bar on qt versions that support it
+    if isWin and qtminor >= 10:
+        QApplication.setAttribute(Qt.AA_DisableWindowContextHelpButton)
+
     # proxy configured?
     from urllib.request import proxy_bypass, getproxies
     if 'http' in getproxies():