PDF PRO 10

I loaded PDF PRO 10 into my desktop. It changed my Earlier normal PDF ICONS of PDF files to File CONS. To see normal PDF ICONS , I made changes to my computer VIEW - through options..... "Always show icons, never thumbnail". Now normal PDF icons appear OK on my desktop as they were before. But it messed up the JPG file based pictures) , it shows generic icon instead of pictures. Need Help. To test if PDF PRO caused this, without me doing any change. I loaded trial version of PDF PRO 10 on my Laptop,it did the same thing. So I Removed the PDF PRO 10 from Laptop. But the above mentioned changes are still there. It must have something to do with PDF PRO. Please help/Suggest Herb