virutemart update to 2.0.24

hi.

i had some difficulty updating the virtuemart module. so i downloaded and installed the new version.

when viewing products, it sometimes shows a blank page and other times shows the product but logo image does not appear. and main menu items appear in a list form(1 below each other).

it seems to change the styles.

please help.

Could You please post an url to your site?