diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 3bad3031b..d16620606 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -1,7 +1,34 @@
+mod auth;
+mod error;
+
+use auth::authenticate;
+use tauri::Manager;
+
+struct AppState {
+    profile: radicle::Profile,
+}
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
+        .setup(|app| {
+            let profile: radicle::Profile = match radicle::Profile::load() {
+                Ok(profile) => Ok::<radicle::Profile, error::Error>(profile),
+                Err(radicle::profile::Error::NotFound(path)) => Err(error::Error::WithHint {
+                    err: anyhow::anyhow!("Radicle profile not found in '{}'.", path.display()),
+                    hint: "To setup your radicle profile, run `rad auth`.",
+                }
+                .into()),
+                Err(e) => Err(error::Error::WithHint {
+                    err: e.into(),
+                    hint: "Could not load radicle profile",
+                }),
+            }?;
+
+            app.manage(AppState { profile });
+
+            Ok(())
+        })
         .plugin(tauri_plugin_shell::init())
         .plugin(tauri_plugin_window_state::Builder::default().build())
         .run(tauri::generate_context!())