そういえば、
15はaeroが有効なパソコンでaeroを有効に出来なくなる方法らしいよ。
あと、他にこんなものがあったんだけど、これはうまくいくのかなあ？

Tips Activate... GLASS Aero. for vista.

open regedit Windows Vista.

HKCU/Software/Microsoft/Windows/DWM
EnableMachineCheck 0
UseMachineCheck 0
Glass 1

HKCU\Software\Microsoft\Windows\DWM\Composition set to 1 (32-bit DWORD)
HKCU\Software\Microsoft\Windows\DWM\CompositionPolicy set to 2 (32-bit DWORD)

2/ Restore el DWM by open CMD prompt (MSDOS) from RUN :

IN CMD prompt:
- type "net stop uxsms"
- And now type "net start uxsms"

You should have Glass now!