[solved]glass transparency's error

Please understand me that i'm not that good at English...

OS : Windows 7 Professional K (64) (lang: Korean)
TLB Version : 5.6 (registered)

[attachment=1]
The edges are not transparent. All skin is same.

But, 'Simple Transparency' mode is ok.

Turn on the option: TLB Settings->Menu->General->Flat Menus (XP Style)

Thank you for helping me!