Some products’ thumbnails may be grayscale even when the source image is color. Sometimes the thumbnail quality is so bad that it’s difficult to tell what the item is just by glancing at it. Clearing the thumbnail databases and letting the system rebuild it as needed can fix thumbnail preview issues. ..

Ways to Clear thumbnail cache on Windows

using System Refixer

iSumsoft System Refixer is a tool that allows you to change the look of your Windows 10 system.

The Junk File option on your computer can be used to scan for and remove files that you don’t want to keep.

When the scan is completed, all the junk files will be displayed on the interface, including the thumbnail cache. Make sure the Thumbnail Cache category is checked and uncheck the other categories, then click the Clean button to delete all thumbnail cache files.

using Disk Cleanup

The Disk Cleanup software by selecting it from the list of results will clean up your computer’s disk space.

Choose your operating system drive (usually drive C:) on the Drive Selection dialogue, and then click OK. ..

A Disk Cleanup window will open. Select the Thumbnails option from the list of “Files to delete” and then click OK.

To permanently remove thumbnail cache files from your computer, click Delete Files in the dialogue box that appears. ..

Final Words

If you’re having problems displaying thumbnail images on your computer, you may need to clear Windows’ thumbnail cache. Thumbnails can be a helpful way to preview files and folders, but occasionally they can get corrupted. If this happens, it’s impossible to see the right file and folder thumbnail. Clearing Windows’ thumbnail cache can help fix this issue.