[FIX] Video Thumbnail Preview Not Showing in Windows Explorer [VLC]

You already have unchecked "Always show icons, Never show thumbnails" in Folder Options and you also have checked "Show thumbnails instead of Icons-ON" and still you can't able see thumbnail pics in Windows & you are getting default program icons instead of a preview of thumbnails of what the video contains. After troubleshooting with a system file check and with malware scan, I can say that it is NOT exactly related to Default File Type Associations but with video libraries used with Windows explorer. Even the process of Thumbnail Cache Clear and Reset not able to fix this error. If you are searching about video thumbnail not showing windows 7 or about the video thumbnail maker or how to fix video thumbnails missing then you are on right page. Stop searching for windows not showing thumbnail preview or how to solve pictures do not display as thumbnail preview? or solution for image thumbnails fail to appear? Learn how to enable/disable thumbnail preview in windows file explorer & how to 100% fix all file type including .mp4, .mpeg, .avi & .wmv video thumbnails not showing in windows.
[Fix] Video Thumbnail Preview Not ShowingMissing in Windows File Explorer
[Fix] Video Thumbnail Preview Not ShowingMissing in Windows File Explorer
Last time we have seen How to Play High-Quality Videos [HD] on Low Configuration Old [Slow] Computer. And today we are going see another tutorial to fix one another video thumbnail error in Windows explorer. The icon thumbnails of video files stopped showing the preview, it's only showing an icon indicating that it is a video file. It's not the error either with Windows operating system nor with hardware. You just need to alter the video libraries setting.

Also, read; 5 Quick-Tips to Speed Up Windows, Boot Time & Make Windows Faster.

Solve Video Thumbnail Preview Not Showing or Missing Error

Instead of thumbnails, all video files showing default VLC icon while all other image files are showing proper thumbnails and only videos have the problem. I tried with K-lite Codec Pack and then Media Preview and then registry edit, but still there is no success. I have also seen lots of users facing an error that the thumbnail images does not appear for downloaded videos and they looking to fix by resetting the thumbnail cache. Just follow these steps and enable video thumbnails in Windows explorer.

1. Open the following link, and download Icaros
http://goo.gl/nk5j8K

2. Install Icaros and open.

3. Replace "Thumbnail Filetypes Registered" box with the following filetypes:
.mkv;.mk3d;.webm;.ogm;.ogv;.rm;.rmvb;.xvid;.divx;.flac;.ogg;.opus;.ape;.mpc;.mka;.ofr;.ofs;.spx;.tak;.tta;.wav;.wv;.3gp;.asf;.asx;.mov;.mp4;.mpg;.flv;.srt;.swf;.avi;.vob;.wmv;.avchd

4. And now click on "Activate Icons".

5. Go to the video folder and refresh.

6. The problem has been solved.

7. Restart the PC, so setting gets saved.

If you know any other way, then you can share with me via comments. I would glad to add it on this page directly.