Fix AttributeError when requests is not installed

Co-authored-by: alebmorais <196795598+alebmorais@users.noreply.github.com>

Author: Copilot

ClienteWindows

@@ -320,7 +320,11 @@ class WindowsDesktopClient:
                 return response.status_code < 500
             with urllib_request.urlopen(self.pi_url, timeout=timeout) as response:
                 return 200 <= getattr(response, "status", 200) < 500
-        except (requests.exceptions.RequestException, urllib_request.URLError):
+        except urllib_request.URLError:
+            return False
+        except Exception:
+            # Catch requests.exceptions.RequestException when requests is available
+            # or any other unexpected error
             return False
 
     def create_header(self):