taskbar
u should b able to test if u can run aero,click start and type transparency in ur search box u should see "find and fix transparency" in a list,for the taskbar,that is odd? try this,press and hold CTRL+SHIFT THEN ESC,now click services tab,find and right click explorer.exe and "end process"(DONT PANIC) now click file and click "new Task" and type"explorer.exe" now restart or log off and back on again