Desktop Right-Click Menu

When I right click on the desktop my context menu is sometimes skinned. Sometimes not. Is there a setting I'm not aware of?

If there is another thread about this? Please help.

Thanks.

Windows 7 Professional (7601.win7sp1_gdr.130828-1532)
WindowBlinds 8.02 (022 - Windows 7 Edition) - 64 bit OS

    Wblind.dll      2013/11/12 10:11:ll
    Wblind64.dll      2013/11/12 10:11:09
    Wbsrv....