If your operating system supports the Group Policy Editor, you can use it to disable thumbnail caching.
Find the Files and Folders section there, and check "Always show icons, never thumbnails" to disable the generation of the database files.If you are using Windows 10, open Explorer and select File > Change folder and search options.If you are using Windows 8, go to the desktop part, press Windows-C to open the Charms menu, and select Settings > Control Panel.Click on Start > Control Panel > Folder Options.First, there have been issues in the past where thumbs.db files have prevented the renaming or deletion of files or folders on the system.įrom Windows XP onward, Microsoft implemented an option to disable the creation of thumbs.db files on the operating system. There are a couple of reasons why you may want to turn off the caching. This becomes especially apparent on slow storage devices such as image DVDs or slow hard drives. You will notice that the loading is faster when the thumbnail cache is enabled. The effect that a thumbs.db cache file and thumbcache file has on the loading time of a folder can be witnessed best if you open a large folder full of image files. While one of the main purposes is to process jpeg, png, bmp, tiff and gif image files, the cache is also used for document formats such as docx, pptx, pdf and html, and video formats such as avi.
Windows does not only store image formats in the database files though. Without the thumbnail cache, Windows would have to process the images in the folder on load every time the folder is opened, which can slow down the display depending on the overall performance of the system and the number of image files in the folder.
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