From 8069bb9541c7dea60e24ff9d89014001f708f936 Mon Sep 17 00:00:00 2001
From: Adam Karpierz <akarpierz@gmail.com>
Date: Thu, 15 Jan 2026 10:59:12 +0100
Subject: [PATCH] =?UTF-8?q?fix:=20=5Ftermui=5Fimpl.open=5Furl()=20?=
 =?UTF-8?q?=E2=80=94=20'start'=20on=20Windows=20is=20a=20cmd=20built-in=20?=
 =?UTF-8?q?command,=20not=20an=20executable?=
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Content-Transfer-Encoding: 8bit

---
 src/click/_termui_impl.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/click/_termui_impl.py b/src/click/_termui_impl.py
index ee8225c4c..5b008bf85 100644
--- a/src/click/_termui_impl.py
+++ b/src/click/_termui_impl.py
@@ -697,6 +697,7 @@ def _unquote_file(url: str) -> str:
         finally:
             null.close()
     elif WIN:
+        shell = False
         if locate:
             url = _unquote_file(url)
             args = ["explorer", f"/select,{url}"]
@@ -706,8 +707,9 @@ def _unquote_file(url: str) -> str:
                 args.append("/WAIT")
             args.append("")
             args.append(url)
+            shell = True
         try:
-            return subprocess.call(args)
+            return subprocess.call(args, shell=shell)
         except OSError:
             # Command not found
             return 127