diff --git a/packages/insomnia-smoke-test/fixtures/pre-request-collection.yaml b/packages/insomnia-smoke-test/fixtures/pre-request-collection.yaml
index 471b19371..070568c9c 100644
--- a/packages/insomnia-smoke-test/fixtures/pre-request-collection.yaml
+++ b/packages/insomnia-smoke-test/fixtures/pre-request-collection.yaml
@@ -1114,3 +1114,59 @@ resources:
       text: |-
         {}
     _type: request
+  - _id: req_89dade2ee9ee42fbb22d588783a9df17
+    parentId: fld_01de564274824ecaad272330339ea6b2
+    modified: 1636707449231
+    created: 1636141014552
+    url: http://127.0.0.1:4010/echo
+    name: infinite loop
+    description: ""
+    method: POST
+    parameters: []
+    headers:
+      - name: 'Content-Type'
+        value: 'application/json'
+    authentication: {}
+    metaSortKey: -1636141014553
+    isPrivate: false
+    settingStoreCookies: true
+    settingSendCookies: true
+    settingDisableRenderRequestBody: false
+    settingEncodeUrl: true
+    settingRebuildPath: true
+    settingFollowRedirects: global
+    preRequestScript: |-
+      while(true) {}
+    body:
+      mimeType: "application/json"
+      text: |-
+        {}
+    _type: request
+  - _id: req_89dade2ee9ee42fbb22d588783a9df18
+    parentId: fld_01de564274824ecaad272330339ea6b2
+    modified: 1636707449231
+    created: 1636141014552
+    url: http://127.0.0.1:4010/echo
+    name: simple log
+    description: ""
+    method: POST
+    parameters: []
+    headers:
+      - name: 'Content-Type'
+        value: 'application/json'
+    authentication: {}
+    metaSortKey: -1636141014553
+    isPrivate: false
+    settingStoreCookies: true
+    settingSendCookies: true
+    settingDisableRenderRequestBody: false
+    settingEncodeUrl: true
+    settingRebuildPath: true
+    settingFollowRedirects: global
+    preRequestScript: |-
+      console.log('back to normal');
+    body:
+      mimeType: "application/json"
+      text: |-
+        {}
+    _type: request
diff --git a/packages/insomnia-smoke-test/tests/smoke/pre-request-script-window.test.ts b/packages/insomnia-smoke-test/tests/smoke/pre-request-script-window.test.ts
index 5a16b160a..7278415ac 100644
--- a/packages/insomnia-smoke-test/tests/smoke/pre-request-script-window.test.ts
+++ b/packages/insomnia-smoke-test/tests/smoke/pre-request-script-window.test.ts
@@ -1,60 +1,98 @@
+import { expect } from '@playwright/test';
+
 import { loadFixture } from '../../playwright/paths';
 import { test } from '../../playwright/test';
 
-test('can cancel pre-request script', async ({ app, page }) => {
-  test.slow(process.platform === 'darwin' || process.platform === 'win32', 'Slow app start on these platforms');
+test.describe('test hidden window handling', async () => {
+  test('can cancel pre-request script', async ({ app, page }) => {
+    test.slow(process.platform === 'darwin' || process.platform === 'win32', 'Slow app start on these platforms');
 
-  const text = await loadFixture('pre-request-collection.yaml');
-  await app.evaluate(async ({ clipboard }, text) => clipboard.writeText(text), text);
+    const text = await loadFixture('pre-request-collection.yaml');
+    await app.evaluate(async ({ clipboard }, text) => clipboard.writeText(text), text);
 
-  await page.getByRole('button', { name: 'Create in project' }).click();
-  await page.getByRole('menuitemradio', { name: 'Import' }).click();
-  await page.locator('[data-test-id="import-from-clipboard"]').click();
-  await page.getByRole('button', { name: 'Scan' }).click();
-  await page.getByRole('dialog').getByRole('button', { name: 'Import' }).click();
+    await page.getByRole('button', { name: 'Create in project' }).click();
+    await page.getByRole('menuitemradio', { name: 'Import' }).click();
+    await page.locator('[data-test-id="import-from-clipboard"]').click();
+    await page.getByRole('button', { name: 'Scan' }).click();
+    await page.getByRole('dialog').getByRole('button', { name: 'Import' }).click();
 
-  await page.getByRole('button', { name: 'Workspace actions menu button' }).click();
-  await page.getByRole('menuitem', { name: 'Export' }).click();
-  await page.getByRole('button', { name: 'Export' }).click();
-  await page.getByText('Which format would you like to export as?').click();
-  await page.locator('.app').press('Escape');
+    await page.getByRole('button', { name: 'Workspace actions menu button' }).click();
+    await page.getByRole('menuitem', { name: 'Export' }).click();
+    await page.getByRole('button', { name: 'Export' }).click();
+    await page.getByText('Which format would you like to export as?').click();
+    await page.locator('.app').press('Escape');
 
-  await page.getByText('Pre-request Scripts').click();
+    await page.getByText('Pre-request Scripts').click();
 
-  await page.getByLabel('Request Collection').getByTestId('Long running task').press('Enter');
-  await page.getByTestId('request-pane').getByRole('button', { name: 'Send' }).click();
+    await page.getByLabel('Request Collection').getByTestId('Long running task').press('Enter');
+    await page.getByTestId('request-pane').getByRole('button', { name: 'Send' }).click();
 
-  await page.getByRole('button', { name: 'Cancel Request' }).click();
-  await page.click('text=Request was cancelled');
-});
-
-test('handle hidden browser window getting closed', async ({ app, page }) => {
-  test.slow(process.platform === 'darwin' || process.platform === 'win32', 'Slow app start on these platforms');
-
-  const text = await loadFixture('pre-request-collection.yaml');
-  await app.evaluate(async ({ clipboard }, text) => clipboard.writeText(text), text);
-
-  await page.getByRole('button', { name: 'Create in project' }).click();
-  await page.getByRole('menuitemradio', { name: 'Import' }).click();
-  await page.locator('[data-test-id="import-from-clipboard"]').click();
-  await page.getByRole('button', { name: 'Scan' }).click();
-  await page.getByRole('dialog').getByRole('button', { name: 'Import' }).click();
-
-  await page.getByTestId('settings-button').click();
-  await page.getByLabel('Request timeout (ms)').fill('1');
-  await page.getByRole('button', { name: '' }).click();
-
-  await page.getByText('Pre-request Scripts').click();
-  await page.getByLabel('Request Collection').getByTestId('Long running task').press('Enter');
-  await page.getByTestId('request-pane').getByRole('button', { name: 'Send' }).click();
-
-  await page.getByText('Timeout: Pre-request script took too long').click();
-  await page.getByRole('tab', { name: 'Timeline' }).click();
-  await page.getByRole('tab', { name: 'Preview ' }).click();
-  const windows = await app.windows();
-  const hiddenWindow = windows[1];
-  hiddenWindow.close();
-  await page.getByRole('button', { name: 'Send' }).click();
-  // as the hidden window is restarted, it should not show "Timeout: Hidden browser window is not responding"
-  await page.getByText('Timeout: Pre-request script took too long').click();
+    await page.getByRole('button', { name: 'Cancel Request' }).click();
+    await page.click('text=Request was cancelled');
+  });
+
+  test('handle hidden browser window getting closed', async ({ app, page }) => {
+    test.slow(process.platform === 'darwin' || process.platform === 'win32', 'Slow app start on these platforms');
+
+    const text = await loadFixture('pre-request-collection.yaml');
+    await app.evaluate(async ({ clipboard }, text) => clipboard.writeText(text), text);
+
+    await page.getByRole('button', { name: 'Create in project' }).click();
+    await page.getByRole('menuitemradio', { name: 'Import' }).click();
+    await page.locator('[data-test-id="import-from-clipboard"]').click();
+    await page.getByRole('button', { name: 'Scan' }).click();
+    await page.getByRole('dialog').getByRole('button', { name: 'Import' }).click();
+
+    await page.getByTestId('settings-button').click();
+    await page.getByLabel('Request timeout (ms)').fill('1');
+    await page.getByRole('button', { name: '' }).click();
+
+    await page.getByText('Pre-request Scripts').click();
+    await page.getByLabel('Request Collection').getByTestId('Long running task').press('Enter');
+    await page.getByTestId('request-pane').getByRole('button', { name: 'Send' }).click();
+
+    await page.getByText('Timeout: Running script took too long').click();
+    await page.getByRole('tab', { name: 'Timeline' }).click();
+    await page.getByRole('tab', { name: 'Preview ' }).click();
+    const windows = await app.windows();
+    const hiddenWindow = windows[1];
+    hiddenWindow.close();
+    await page.getByRole('button', { name: 'Send' }).click();
+    // as the hidden window is restarted, it should not show "Timeout: Hidden browser window is not responding"
+    await page.getByText('Timeout: Running script took too long').click();
+  });
+
+  test('window should be restarted if it hangs', async ({ app, page }) => {
+    test.slow(process.platform === 'darwin' || process.platform === 'win32', 'Slow app start on these platforms');
+
+    // load collection
+    const text = await loadFixture('pre-request-collection.yaml');
+    await app.evaluate(async ({ clipboard }, text) => clipboard.writeText(text), text);
+
+    await page.getByRole('button', { name: 'Create in project' }).click();
+    await page.getByRole('menuitemradio', { name: 'Import' }).click();
+    await page.locator('[data-test-id="import-from-clipboard"]').click();
+    await page.getByRole('button', { name: 'Scan' }).click();
+    await page.getByRole('dialog').getByRole('button', { name: 'Import' }).click();
+
+    // update timeout
+    await page.getByTestId('settings-button').click();
+    await page.getByLabel('Request timeout (ms)').fill('100');
+    await page.getByRole('button', { name: '' }).click();
+
+    // send the request with infinite loop script
+    await page.getByText('Pre-request Scripts').click();
+    await page.getByLabel('Request Collection').getByTestId('infinite loop').press('Enter');
+    await page.getByTestId('request-pane').getByRole('button', { name: 'Send' }).click();
+    await page.getByText('Timeout: Hidden browser window is not responding').click();
+
+    // send the another script with normal script
+    await page.getByLabel('Request Collection').getByTestId('simple log').press('Enter');
+    await page.getByTestId('request-pane').getByRole('button', { name: 'Send' }).click();
+
+    // it should still work
+    const statusTag = page.locator('[data-testid="response-status-tag"]:visible');
+    await page.waitForSelector('[data-testid="response-status-tag"]:visible');
+    await expect(statusTag).toContainText('200 OK');
+  });
 });
diff --git a/packages/insomnia/src/hidden-window.ts b/packages/insomnia/src/hidden-window.ts
index 808d0af78..f5bdba1a1 100644
--- a/packages/insomnia/src/hidden-window.ts
+++ b/packages/insomnia/src/hidden-window.ts
@@ -15,7 +15,7 @@ window.bridge.onmessage(async (data, callback) => {
     const timeout = data.context.timeout || 5000;
     const timeoutPromise = new window.bridge.Promise(resolve => {
       setTimeout(() => {
-        resolve({ error: 'Timeout: Pre-request script took too long' });
+        resolve({ error: 'Timeout: Running script took too long' });
       }, timeout);
     });
     const result = await window.bridge.Promise.race([timeoutPromise, runPreRequestScript(data)]);
diff --git a/packages/insomnia/src/main/window-utils.ts b/packages/insomnia/src/main/window-utils.ts
index 4cb27f69d..96b2f5386 100644
--- a/packages/insomnia/src/main/window-utils.ts
+++ b/packages/insomnia/src/main/window-utils.ts
@@ -50,6 +50,17 @@ interface Bounds {
 export function init() {
   initLocalStorage();
 }
+const stopAndWaitForHiddenBrowserWindow = async (runningHiddenBrowserWindow: BrowserWindow) => {
+  return await new Promise<void>(resolve => {
+    // overwrite the closed handler
+    runningHiddenBrowserWindow.on('closed', () => {
+      console.log('[main] restarting hidden browser window:', runningHiddenBrowserWindow.id);
+      browserWindows.delete('HiddenBrowserWindow');
+      resolve();
+    });
+    stopHiddenBrowserWindow();
+  });
+};
 
 export async function createHiddenBrowserWindow() {
   const mainWindow = browserWindows.get('Insomnia');
@@ -63,36 +74,28 @@ export async function createHiddenBrowserWindow() {
   ipcMain.removeHandler('open-channel-to-hidden-browser-window');
   // when the main window runs a script
   // if the hidden window is down, start it
-  ipcMain.handle('open-channel-to-hidden-browser-window', async event => {
-    // sync the hidden window status
-    const runningHiddenWindow = browserWindows.get('HiddenBrowserWindow');
-    const isAvailable = !hiddenWindowIsBusy && runningHiddenWindow;
-    if (isAvailable) {
-      return;
-    }
-    const isOccupied = hiddenWindowIsBusy && runningHiddenWindow;
-    if (isOccupied) {
-      // stop and sync the map
-      await new Promise<void>(resolve => {
-        invariant(runningHiddenWindow, 'hiddenBrowserWindow is running');
-        // overwrite the closed handler
-        runningHiddenWindow.on('closed', () => {
-          if (runningHiddenWindow) {
-            console.log('[main] restarting hidden browser window:', runningHiddenWindow.id);
-            browserWindows.delete('HiddenBrowserWindow');
-          }
-          resolve();
-        });
-        stopHiddenBrowserWindow();
-        hiddenWindowIsBusy = false;
-      });
-    }
-
-    const windowWasClosedUnexpectedly = hiddenWindowIsBusy && !runningHiddenWindow;
+  ipcMain.handle('open-channel-to-hidden-browser-window', async (event, isPortAlive: boolean) => {
+    const runningHiddenBrowserWindow = browserWindows.get('HiddenBrowserWindow');
+    const isRunning = !!runningHiddenBrowserWindow;
+    // if window crashed
+    const windowWasClosedUnexpectedly = hiddenWindowIsBusy && !isRunning;
     if (windowWasClosedUnexpectedly) {
       hiddenWindowIsBusy = false;
     }
 
+    const hiddenWindowIsNotBusy = !hiddenWindowIsBusy;
+    const isHealthy = hiddenWindowIsNotBusy && isRunning && isPortAlive;
+    if (isHealthy) {
+      return;
+    }
+
+    // if window froze
+    const isRunningButUnhealthy = isRunning && !isHealthy;
+    if (isRunningButUnhealthy) {
+      // stop and wait for window close event and sync the map and busy status
+      await stopAndWaitForHiddenBrowserWindow(runningHiddenBrowserWindow);
+    }
+
     console.log('[main] hidden window is down, restarting');
     const hiddenBrowserWindow = new BrowserWindow({
       show: false,
@@ -160,6 +163,7 @@ export async function createHiddenBrowserWindow() {
 
 export function stopHiddenBrowserWindow() {
   browserWindows.get('HiddenBrowserWindow')?.close();
+  hiddenWindowIsBusy = false;
 }
 
 export function createWindow(): ElectronBrowserWindow {
diff --git a/packages/insomnia/src/preload.ts b/packages/insomnia/src/preload.ts
index c2680e25e..375fb195b 100644
--- a/packages/insomnia/src/preload.ts
+++ b/packages/insomnia/src/preload.ts
@@ -72,7 +72,8 @@ const main: Window['main'] = {
   },
   hiddenBrowserWindow: {
     runPreRequestScript: options => new Promise(async (resolve, reject) => {
-      await ipcRenderer.invoke('open-channel-to-hidden-browser-window');
+      const isPortAlive = ports.get('hiddenWindowPort') !== undefined;
+      await ipcRenderer.invoke('open-channel-to-hidden-browser-window', isPortAlive);
 
       const port = ports.get('hiddenWindowPort');
       invariant(port, 'hiddenWindowPort is undefined');