Icons lost graphic image

[Simon]

Certain icons on my start menu and desktop have lost their graphic
image, e.g. some (not all) MPG and PDF files. They still open in their
respective programs. How do I get the icon images back?

 

[Elmo]

Certain icons on my start menu and desktop have lost their graphic
image, e.g. some (not all) MPG and PDF files. They still open in their
respective programs. How do I get the icon images back?

See the reg fix, line 121. Increase Icon Cache
http://www.kellys-korner-xp.com/xp_tweaks.htm