Note: Click on any image for a larger view of that particular image.
…you will want to make sure your PC is updated by going to Windows Update, scanning, then installing the DST update. We can thank the United States Congress for this irritation.
Here are some links:
Microsoft’s Affected Product List
Microsoft’s Official Windows XP SP2 DST Fix
Microsoft’s: Preparing for DST 2007 Changes
Microsoft’s Download Center