What to do if the shell file in the Win7 system registry is accidentally deleted

We know that the registry is a very important part of the Win7 system, the registry is the same as the system of the database, the control of the entire computer data, it is important to say that the file in the registry, can not be arbitrarily modified. However, there was a user feedback error occurred while modifying the registry file of the Win7 system, accidentally removing the shell folder, causing the folder in the computer to not open. So how do we deal with this situation? Small part of this side to provide two ways to solve, we can refer to the next!

Method One:

Before you delete a shell file, you can either restore the system directly or import the registry to the existing data if you have previously backed up the registry on the Win7 system, or if you have backed up the Win7 system.

Method Two:

You need to reload the system without backing up the registry or backing up the Win7 system