Η cache Thumbnail memory is just a copy of all the documents, images, and video thumbnails stored in a file. The Windows 10 generate and maintain a temporary copy of thumbnails for all documents, videos, and images on your computer so that they can be displayed without delay when you open a thumbnail-supported view.
In other words, every time you open a folder that contains videos, documents, and images in thumbnail view, Windows uses the thumbnails saved in cache memory (cache) instead of creating them at that time. These thumbnail cache files help Windows display thumbnails instantly and without delay.
In Windows 10, The cache thumbnail files are saved in the C: \ Users \ UserName \ AppData \ Local \ Microsoft \ Windows \ Explorer folder. To view these files you need to go to the specific address and select the appearance of the hidden files of the operating system from the "View" tab.
If the Windows 10 do not display thumbnails correctly for one or more files, or if the thumbnails are corrupted, clearing the thumbnails cache should resolve the issue.
Step 1: Type "Disk Cleanup" on the Start menu or in the taskbar search box, then press Enter to open the Disk Cleanup utility.
Step 2: On the drive selection screen, select the system drive (the drive where the Windows 10) and then click OK.
Step 3: When you see the following dialog box, select ONLY Thumbnails (Thumbnails), and then click OK to clear the thumbnail cache.
Clicking OK will bring up a confirmation window for your command. Before clicking Yes, make sure you have selected ONLY thumbnails to avoid data loss. This is!
Windows will automatically create new thumbnails when required.
Like the other files, so are the cache files can also be deleted using the command line. Although you can use the above method to clear the thumbnail cache, at times you may need to use the Command Prompt for the same task.
Step 1: Quit all current programs. Make sure you have closed File Explorer as well.
Step 2: Right-click the Start button, and then click Command Prompt (Administrator). Click Yes when the User Account Control (UAC) query appears.
Step 3: At the command prompt, type the following command and press Enter.
cd / d% userprofile% \ AppData \ Local \ Microsoft \ Windows \ Explorer
Step 4: Enter attrib -h thumbcache _ *. db and then press the Enter key.
Step 5: Finally, enter del thumbcache _ *. db and then press Enter to delete all cache thumbnail files.
Restart your computer to complete the operation.