Posted 20 December 2007 - 12:38 PM
Generally speaking, a thumbs.db file is a hidden database file generated by the Windows operating system (or in your case, ZbThumbnails, created by some other software). These files contain the small images displayed when you view a folder in "thumbnail" view. The file is normally created in any folder with movies, pictures or folders created from digital cameras so that you can view a piece of their content without actually opening the files inside. This includes folders on removable media and flash drives as well as your hard drive.
Thumbs.db is a way of caching thumbnail images of any image or movie file in a folder so you do not have to reload a thumbnail everytime you browse that folder. The thumbnail cache helps to improve the speed of displaying thumbnails for viewing the next time you open the folder by caching a set of thumbnails for the image and video files in the same folder. The default behavior for many folders in Windows XP is to display thumbnail images of the files in the folder.
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