thanks bongo.i found my solution.
i used the method below to delete skydrive context menu:
1. Open registry editor from Run Command by typing regedit
2. Navigate to “HKEY_CLASSES_ROOT\AllFileSystemObjects\shell\SPFS.Context menu”
3. Right-click on it(left pane) and select “ Delete” option to remove this key and all its sub keys.
and use right click context menu editor
to delete hypersnap and notepad.