On Windows 7, in some case, when you click your Windows’ start menu, your search programs and file box is missing from there as this one:
As we expected, the search box here as example:
Here is the way to enable/disable the search box.
Solutions
1. Open Control Panels
2. Find Programs and Features
3. In the left panel look for Turn Windows features On or Off
4. Scroll down the list and look for Windows Search and check the box
5. Click OK and then Yes on the Window
6. Restart to complete the change and you should find the Search on Start menu