Win7 system press Shift key and right mouse button at the same time to pop up the shortcut menu how to do

  
            
1. Press “Win+R”Open “Run” window, enter “regedit” command and press Enter to open the registry editor;
2, in the open registry editor , expand the above registration item HKEY_CLASSES_ROOTDriveshellcmd;
3, find an option named "Extend" in the cmd option group, delete this option directly.

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