How can I fix Damaged/Corrupted icons in Vista?

Just Like this

http://attachments.techguy.org/attachmen

I have tried to change the display settings to 16bit and back to 32bit....

still the same......

What should I do?How can I fix Damaged/Corrupted icons in Vista?
try ';TweakUI'; for vista version it has a repair icon mode.How can I fix Damaged/Corrupted icons in Vista?
I'm not sure but isn't VISTA 64bits?