You probably noticed that in most folders in which there are pictures, a more file is made more “DELETED” (Valid for those who set to see the Hidden files and folders). Thumbs.db .
Thumbs.db in Windows XP

Thumbs.db in Windows 7

This file is a small database containing a copy (a cache) smaller images from the folder. These images from thumbs.db They are the ones you see when entering a photo folder (if you selected to see the file icons. Thumbnail view).
If you will accidentally delete the images from a folder or find a file thumbs.db And you want to find out what it contains, Thumbnail Database Viewer It can help you to see what is hidden in this database.

All you have to do is download the Thumbnail Database Viewer application, run ThumbViewer.exe and draw the thumbs.db file (dear & drop) in the right field of the application.
Download Thumbnail Database Viewer (www.itsamples.com)
To make this file visible you must have the option activated “Show hidden files and folders” (valid in Windows XP, Vista & Windows 7),

And to keep the copy in Thumbnail of the images in a folder you will need to be disabled / uncheck the option “Do not cache thumbnails” (valid for Windows XP).

The ticking of this option would keep you more free space on the disk, but when you access a folder with more pictures you will have to wait a while until you can view their icons. That would be about The role of Thumbs.db. Storage in a cache of icons (of thumbnails) for rapid preview.
Users of Windows 7 is seen can configure thumbnail settings in Local Group Policy Editor (Run “GPEDIT.MSC” -> User Configuration -> Administrative Templates -> Windows Components -> Windows Explorer).

How can we delete all thumbs.db files from the computer.
We will present two simple methods by which you can delete These files thumbs.db from your hard disk
The first method is with the aid of the Windows tool, “Disk Cleanup“. Click -right on a partition -> Properties -> Disk Cleanup -> tick thumbnails & OK.

The second method of deleting these files is with the help of the application Thumbnail Database Cleaner. An application very easy to use and that does not require installation.

Download Thumbnail Database Cleaner (www.itsamples.com)
View & Delete Thumbs.db in Windows XP, Windows Vista & Windows 7.