Win10 right side of the blank where the reaction is slow

Is it right after upgrading to win10, right-click desktop response is very slow?? Many people have encountered such a problem, Xiaobian to teach you how to solve! Win10 right side of the blank where the reaction is slow.
First right click the start button in the lower left corner, click Run

then enter regedit, click OK

then open HKEY_CLASSES_ROOT

and then find HKEY_CLASSES_ROOTDirectory

Double click , find HKEY_CLASSES_ROOTDirectoryBackgroundshellexContextMenuHandlers

Finally delete the ContextMenuHandlers, except for the new folder

It is possible that there will be a deletion in addition to new, but it does not matter, try the right click on the desktop, see the speed How, if it doesn't work, it will do after restarting