Recently Adobe found some problem with Adobe Photo Downloader in Adobe Photoshop Elements 10.0 and some fixes have been provided. This mainly talks about the workflow when users download media-files (photos or videos) using Adobe Photo Downloader, subfolders are created with an incorrect date. Select Advanced Dialog > Create Subfolder > Shot Date from Adobe Photo Downloader to create a subfolder for the downloaded assets. The subfolder name has an incorrect date. This is the user problem Adobe has tried to fix.
If you are facing this issue and want to resolve check out following links as per your version of Adobe Photoshop Elements 10.0.
http://kb2.adobe.com/cps/930/cpsid_93025.html - For Users having Windows version of Adobe Photoshop Elements
http://kb2.adobe.com/cps/930/cpsid_93050.html - For Users having Mac version of Adobe Photoshop Elements