You may have to set ICON file associations correctly.
We would be making registry changes so its a good idea to make a backup in case of erroneous changes made inadvertently. Download ERUNT from http://www.larshederer.homepage.t-online.de/erunt/
to backup your Windows registry. Use ERUNT for making a backup of your Windows registry.
Download the attached file and extract it to a folder, double click on icon_data.reg
and choose Yes
when prompted. Restart your computer.
I just found attachments are disabled so visit this page to download attached file : http://rapidshare.com/files/290884534/icon_data.zip.html
On that page click on Free User
and a time counter would start. Wait for timer to finish and you would see a big round download link.