How to rectify when QTP Menus are not displayed and disappeared ?

Step to rectify the issue.

1.Select QTP Tools menu.
2.Right Click
3. Select "Customize" sub menu.
4. Select "Tool bars" in Customize window.
5. Click "Restore All" button
6. Then Click "Yes" button in confirmation popup.
7.Click on "close" button in customize window..

Now Check all menus will be restored from QTP settings.