Delete the following keys from Windows Registry:
HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\{90AA3A4E-1CBA-4233-B8BB-535773D48449}
HKEY_CLASSES_ROOT\MSILink\shellex\ContextMenuHandlers\{90AA3A4E-1CBA-4233-B8BB-535773D48449}
Delete the following keys from Windows Registry:
HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\{90AA3A4E-1CBA-4233-B8BB-535773D48449}
HKEY_CLASSES_ROOT\MSILink\shellex\ContextMenuHandlers\{90AA3A4E-1CBA-4233-B8BB-535773D48449}