Fix Win7 Explorer can not expand

Today I have encountered a small problem with Windows 7, Explorer's "Favorites" can not be expanded, but "Library" and "The computer & rdquo; can be. But click on "Favorites" to get to the "Favorites" folder, the shortcuts inside are not lost. I tried to right click on "Favorites" and select "Restore Favorites". The link has no effect. In other words, some reasons have caused Windows 7 Explorer's "Favorites" to fail.
I haven't found the answer for a long time. I used English as a keyword to search. After several links and jumped, I finally found the answer.

Win7 Favorites solution can not be expanded:
in the forum, that someone posted under Vista is cleared and Favorites Explorer & ldquo; Favorites & rdquo; can not be expanded to solve problems Solution, one of the methods to modify the registry has been tested and valid, share as follows:
1, run regedit
2, expand to HKEY_CLASSES_ROOTlnkfile
3, add a string value: IsShortcut, do not need to fill in the string value, Enter to go to
4. Re-login