diff --git a/gui/electron/index.html b/gui/electron/index.html
index 7faaa62..cf7d671 100644
--- a/gui/electron/index.html
+++ b/gui/electron/index.html
@@ -53,6 +53,8 @@
 
     window.voxvera.onOnionUrl(url => {
       document.getElementById('onion-address').textContent = `Onion address: ${url}`;
+      const tear = document.getElementById('tear_off_link');
+      if (tear) tear.value = url;
     });
 
     window.voxvera.onLog((msg, isErr) => {
diff --git a/gui/electron/main.js b/gui/electron/main.js
index da471f3..8d70f9c 100644
--- a/gui/electron/main.js
+++ b/gui/electron/main.js
@@ -5,6 +5,7 @@ const which = require('which');
 const fs = require('fs');
 
 let mainWindow;
+let onionProc;
 
 function createWindow() {
   mainWindow = new BrowserWindow({
@@ -17,7 +18,50 @@ function createWindow() {
   mainWindow.loadFile('index.html');
 }
 
-app.whenReady().then(createWindow);
+function startOnionShare() {
+  const configPath = getConfigPath();
+  const voxveraPath = which.sync('voxvera', { nothrow: true });
+  if (!voxveraPath) {
+    dialog.showErrorBox(
+      'voxvera not found',
+      'Install the voxvera CLI and ensure it is in your PATH.'
+    );
+    return;
+  }
+  const build = spawn(voxveraPath, ['--config', configPath, 'build']);
+  build.on('close', () => {
+    const args = ['--config', configPath, 'serve'];
+    onionProc = spawn(voxveraPath, args);
+    onionProc.stdout.on('data', data => {
+      const line = data.toString();
+      process.stdout.write(line);
+      if (mainWindow) {
+        mainWindow.webContents.send('log', { text: line, isError: false });
+      }
+      const m = line.match(/Onion URL:\s*(https?:\/\/[a-z0-9.-]+\.onion)/i);
+      if (m && mainWindow) {
+        mainWindow.webContents.send('onion-url', m[1]);
+      }
+    });
+    onionProc.stderr.on('data', data => {
+      const line = data.toString();
+      process.stderr.write(line);
+      if (mainWindow) {
+        mainWindow.webContents.send('log', { text: line, isError: true });
+      }
+    });
+    onionProc.on('close', code => {
+      if (code !== 0) {
+        dialog.showErrorBox('OnionShare error', `onionshare exited with code ${code}.`);
+      }
+    });
+  });
+}
+
+app.whenReady().then(() => {
+  createWindow();
+  startOnionShare();
+});
 
 function getConfigPath() {
   return path.join(__dirname, '..', '..', 'voxvera', 'src', 'config.json');
@@ -43,6 +87,10 @@ ipcMain.handle('run-quickstart', async (_, config) => {
     return -1;
   }
   return new Promise((resolve) => {
+    if (onionProc) {
+      onionProc.kill();
+      onionProc = null;
+    }
     const args = ['--config', configPath, 'quickstart', '--non-interactive'];
     const proc = spawn(voxveraPath, args);
     proc.stdout.on('data', data => {
@@ -77,5 +125,9 @@ ipcMain.handle('run-quickstart', async (_, config) => {
 });
 
 app.on('window-all-closed', () => {
+  if (onionProc) {
+    onionProc.kill();
+    onionProc = null;
+  }
   if (process.platform !== 'darwin') app.quit();
 });