Remove Copy to Sync Vault context menu
Computer\HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\SyncComContextShlExt Computer\HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers\SyncComContextShlExt Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\SyncComContextShlExt