Hello Thank you for your question and reaching out. I can understand you are having query\issues related to
- The "thumbnail.db" hidden files, which contain the data to display the previews, can be reset and rebuilt in a number different ways on Windows 10 if you're having this problem.
- Run Disk Cleanup from Select C:\ Drive from Properties- > General -> Disk Cleanup - >Cleanup system files and also select Thumbnail. --If the reply is helpful, please Upvote and Accept as answer--