diff --git a/dashboard/frontend/src/lib/api.js b/dashboard/frontend/src/lib/api.js
index bb0abc7..1f0b2c7 100644
--- a/dashboard/frontend/src/lib/api.js
+++ b/dashboard/frontend/src/lib/api.js
@@ -217,8 +217,16 @@ export async function download(path, filename) {
 
     const { token: downloadToken } = await tokenResponse.json();
 
-    // Navigate directly to download URL - browser handles streaming natively
-    window.location.href = `${BASE}/files/download?token=${downloadToken}`;
+    // Use hidden iframe for download - avoids page navigation and popup blockers
+    const iframe = document.createElement('iframe');
+    iframe.style.display = 'none';
+    iframe.src = `${BASE}/files/download?token=${downloadToken}`;
+    document.body.appendChild(iframe);
+
+    // Clean up iframe after download starts
+    setTimeout(() => {
+      document.body.removeChild(iframe);
+    }, 5000);
   } catch (e) {
     console.error("Download error:", e);
     throw e;