Win7 system resource management inside the collection can not open how to do

using win7 often encounter a variety of problems, and today encountered win7 resource manager inside the collection can not open, but other The function seems to be able to open.
1
Specific problem description:
Explorer's "Favorites" can't be expanded, but "Library" and "Computer" 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. That is to say, for some reasons, Windows 7 Explorer's "Favorites" has failed.
2
Workaround:
Enter the registry, click Start, and type regedit in the search box. Enter to enter the Registry Editor.
3
Open to HKEY_CLASSES_ROOTlnkfile
Add a string value: IsShortcut
4
The string value is not set, so that's it.
The above is about the win7 system resource management inside the collection can not open how to do, modify the registry to restart the computer, or restart the explorer.exe process to take effect.