From 3922998f5d37fef7ade0c087af7bd6c3706e4928 Mon Sep 17 00:00:00 2001
From: Celal Zamanoglu <95054566+celalzamanoglu@users.noreply.github.com>
Date: Sat, 24 Jan 2026 21:20:07 +0300
Subject: [PATCH] fix: disable uvicorn reload on Windows to fix async event
 loop issue (#4538)

---
 skyvern/forge/__main__.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/skyvern/forge/__main__.py b/skyvern/forge/__main__.py
index 0d47c4b9..afb6a4d9 100644
--- a/skyvern/forge/__main__.py
+++ b/skyvern/forge/__main__.py
@@ -1,4 +1,5 @@
 import os
+import sys
 
 import structlog
 import uvicorn
@@ -16,7 +17,9 @@ if __name__ == "__main__":
     LOG.info("Agent server starting.", host="0.0.0.0", port=port)
     load_dotenv()
 
-    reload = settings.ENV == "local"
+    # Disable reload on Windows - uvicorn forces WindowsSelectorEventLoopPolicy when reload=True,
+    # but Windows needs WindowsProactorEventLoopPolicy for async subprocess operations
+    reload = settings.ENV == "local" and sys.platform != "win32"
 
     # Configure reload settings
     # Convert TEMP_PATH to relative path if it's absolute to avoid pathlib.glob() issues