diff --git a/codex-rs/tui/src/app/event_dispatch.rs b/codex-rs/tui/src/app/event_dispatch.rs
index dfe7ceb4f9..14c8c0b359 100644
--- a/codex-rs/tui/src/app/event_dispatch.rs
+++ b/codex-rs/tui/src/app/event_dispatch.rs
@@ -1139,6 +1139,27 @@ impl App {
                     let _ = (preset, mode);
                 }
             }
+            AppEvent::AcknowledgeWindowsSandboxSetup => {
+                #[cfg(target_os = "windows")]
+                {
+                    match ConfigEditsBuilder::new(&self.config.codex_home)
+                        .set_windows_wsl_setup_acknowledged(true)
+                        .apply()
+                        .await
+                    {
+                        Ok(()) => {
+                            self.config.windows_wsl_setup_acknowledged = true;
+                            self.chat_widget.set_windows_wsl_setup_acknowledged(true);
+                        }
+                        Err(err) => {
+                            tracing::warn!(
+                                error = %err,
+                                "failed to persist Windows sandbox onboarding acknowledgement"
+                            );
+                        }
+                    }
+                }
+            }
             AppEvent::PersistModelSelection { model, effort } => {
                 let profile = self.active_profile.as_deref();
                 match ConfigEditsBuilder::new(&self.config.codex_home)
diff --git a/codex-rs/tui/src/app_event.rs b/codex-rs/tui/src/app_event.rs
index bc688e32ce..c8e819f344 100644
--- a/codex-rs/tui/src/app_event.rs
+++ b/codex-rs/tui/src/app_event.rs
@@ -664,6 +664,10 @@ pub(crate) enum AppEvent {
         mode: WindowsSandboxEnableMode,
     },
 
+    /// Record that the Windows sandbox onboarding has been acknowledged.
+    #[cfg_attr(not(target_os = "windows"), allow(dead_code))]
+    AcknowledgeWindowsSandboxSetup,
+
     /// Update the Windows sandbox feature mode without changing approval presets.
     #[cfg_attr(not(target_os = "windows"), allow(dead_code))]
 
diff --git a/codex-rs/tui/src/chatwidget.rs b/codex-rs/tui/src/chatwidget.rs
index d06c674566..f30c572385 100644
--- a/codex-rs/tui/src/chatwidget.rs
+++ b/codex-rs/tui/src/chatwidget.rs
@@ -8826,6 +8826,7 @@ impl ChatWidget {
         let accept_otel = self.session_telemetry.clone();
         let legacy_otel = self.session_telemetry.clone();
         let legacy_preset = preset.clone();
+        let skip_otel = self.session_telemetry.clone();
         let quit_otel = self.session_telemetry.clone();
         let items = vec![
             SelectionItem {
@@ -8860,6 +8861,20 @@ impl ChatWidget {
                 dismiss_on_select: true,
                 ..Default::default()
             },
+            SelectionItem {
+                name: "Continue without sandbox (WSL2 / don't warn again)".to_string(),
+                description: None,
+                actions: vec![Box::new(move |tx| {
+                    skip_otel.counter(
+                        "codex.windows_sandbox.elevated_prompt_skip",
+                        /*inc*/ 1,
+                        &[],
+                    );
+                    tx.send(AppEvent::AcknowledgeWindowsSandboxSetup);
+                })],
+                dismiss_on_select: true,
+                ..Default::default()
+            },
             SelectionItem {
                 name: "Quit".to_string(),
                 description: None,
@@ -8982,6 +8997,7 @@ impl ChatWidget {
     #[cfg(target_os = "windows")]
     pub(crate) fn maybe_prompt_windows_sandbox_enable(&mut self, show_now: bool) {
         if show_now
+            && !self.config.windows_wsl_setup_acknowledged
             && WindowsSandboxLevel::from_config(&self.config) == WindowsSandboxLevel::Disabled
             && let Some(preset) = builtin_approval_presets()
                 .into_iter()
@@ -9063,6 +9079,11 @@ impl ChatWidget {
         );
     }
 
+    #[cfg_attr(not(target_os = "windows"), allow(dead_code))]
+    pub(crate) fn set_windows_wsl_setup_acknowledged(&mut self, acknowledged: bool) {
+        self.config.windows_wsl_setup_acknowledged = acknowledged;
+    }
+
     #[cfg_attr(not(target_os = "windows"), allow(dead_code))]
     pub(crate) fn set_feature_enabled(&mut self, feature: Feature, enabled: bool) -> bool {
         if let Err(err) = self.config.features.set_enabled(feature, enabled) {
diff --git a/codex-rs/tui/src/chatwidget/tests/permissions.rs b/codex-rs/tui/src/chatwidget/tests/permissions.rs
index 09595a11ba..426d376ffd 100644
--- a/codex-rs/tui/src/chatwidget/tests/permissions.rs
+++ b/codex-rs/tui/src/chatwidget/tests/permissions.rs
@@ -220,6 +220,10 @@ async fn startup_prompts_for_windows_sandbox_when_agent_requested() {
         popup.contains("Use non-admin sandbox"),
         "expected startup prompt to offer non-admin fallback: {popup}"
     );
+    assert!(
+        popup.contains("Continue without sandbox"),
+        "expected startup prompt to offer WSL/skip fallback: {popup}"
+    );
     assert!(
         popup.contains("Quit"),
         "expected startup prompt to offer quit action: {popup}"
@@ -241,6 +245,22 @@ async fn startup_does_not_prompt_for_windows_sandbox_when_not_requested() {
     );
 }
 
+#[cfg(target_os = "windows")]
+#[tokio::test]
+async fn startup_does_not_prompt_for_windows_sandbox_after_acknowledgement() {
+    let (mut chat, _rx, _op_rx) = make_chatwidget_manual(/*model_override*/ None).await;
+
+    chat.set_feature_enabled(Feature::WindowsSandbox, /*enabled*/ false);
+    chat.set_feature_enabled(Feature::WindowsSandboxElevated, /*enabled*/ false);
+    chat.set_windows_wsl_setup_acknowledged(true);
+    chat.maybe_prompt_windows_sandbox_enable(/*show_now*/ true);
+
+    assert!(
+        chat.bottom_pane.no_modal_or_popup_active(),
+        "expected no startup sandbox NUX popup after acknowledgement"
+    );
+}
+
 #[tokio::test]
 async fn approvals_popup_shows_disabled_presets() {
     let (mut chat, _rx, _op_rx) = make_chatwidget_manual(/*model_override*/ None).await;
diff --git a/codex-rs/tui/src/lib.rs b/codex-rs/tui/src/lib.rs
index 466b7b9e6e..79bc70eb33 100644
--- a/codex-rs/tui/src/lib.rs
+++ b/codex-rs/tui/src/lib.rs
@@ -1415,6 +1415,7 @@ async fn run_ratatui_app(
     let should_show_trust_screen = should_show_trust_screen(&config);
     let should_prompt_windows_sandbox_nux_at_startup = cfg!(target_os = "windows")
         && trust_decision_was_made
+        && !config.windows_wsl_setup_acknowledged
         && WindowsSandboxLevel::from_config(&config) == WindowsSandboxLevel::Disabled;
 
     let Cli {