open_url_in_browser: Surround subprocess creation with try-catch

Resolves #1363

src/serena/dashboard.py

@@ -800,13 +800,18 @@ def open_url_in_browser(url: str, use_subprocess: bool = False) -> None:
     """
     if use_subprocess:
         # Use a subprocess to avoid any output from webbrowser.open being written to stdout
-        subprocess.Popen(
-            [sys.executable, "-c", f"import webbrowser; webbrowser.open({url!r})"],
-            stdin=subprocess.DEVNULL,
-            stdout=subprocess.DEVNULL,
-            stderr=subprocess.DEVNULL,
-            start_new_session=False,
-        )
+        try:
+            subprocess.Popen(
+                [sys.executable, "-c", f"import webbrowser; webbrowser.open({url!r})"],
+                stdin=subprocess.DEVNULL,
+                stdout=subprocess.DEVNULL,
+                stderr=subprocess.DEVNULL,
+                start_new_session=False,
+            )
+        except Exception as e:
+            # Subprocess creation can fail in rare cases (e.g. on some Linux systems; possibly subprocess/glibc bug)
+            # See #1363
+            log.error("Failed to open URL (%s) in subprocess; %s", url, e)
     else:
         import webbrowser