Delete the following keys from Windows Registry:
HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\ContextMenuHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}
HKEY_CLASSES_ROOT\CLSID\{450D8FBA-AD25-11D0-98A8-0800361B1103}\shellex\ContextMenuHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}
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HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}
1 HKEY_CLASSES_ROOT\Drive\shellex\ContextMenuHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}
HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\PropertySheetHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}
HKEY_CLASSES_ROOT\CLSID\{450D8FBA-AD25-11D0-98A8-0800361B1103}\shellex\PropertySheetHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}
HKEY_CLASSES_ROOT\Directory\shellex\PropertySheetHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}
HKEY_CLASSES_ROOT\Drive\shellex\PropertySheetHandlers\{596AB062-B4D2-4215-9F74-E9109B0A8153}