diff --git a/desktop-client/tunnel-helper/src/main.rs b/desktop-client/tunnel-helper/src/main.rs
index 3c4712f..03f4370 100644
--- a/desktop-client/tunnel-helper/src/main.rs
+++ b/desktop-client/tunnel-helper/src/main.rs
@@ -381,6 +381,7 @@ fn install_windows_runtime_direct() -> Result<(), String> {
         .arg(&installer)
         .arg("/qn")
         .arg("/norestart")
+        .arg("DO_NOT_LAUNCH=1")
         .creation_flags(CREATE_NO_WINDOW)
         .status()
         .map_err(|err| format!("Unable to launch bundled WireGuard MSI: {err}"))?;