Win7 started the search box disappeared to teach you to get back to

Win7 started the search box disappeared to teach you to find back
win7 I feel the best use should be win7 search box, whether it is to find software, use the command to open what Everything is through this function. Without it, I really don't get used to it. If there is no such thing, we can find it back?
1. The search box is gone.

2 The reason for this problem:
A lot of time we follow some software, often lead to this search box is gone, do not go to find what software will cause, basically just software changes your computer configuration you should Come back.
3. Go to the Control Panel and double-click “Programs and Features”. In the window that opens, click "Open or Close Windows Features" in the upper left corner.
In the dialog that opens, find and tick "Windows Serach";

The above is about Win7 The search box disappears and teaches you to retrieve it. At the end, a dialog box will pop up, then OK, wait for 4.5 minutes. Then you can see the search box at the beginning.