Windows 7 AVI Thumbnails Fix 4-9-2012



Windows 7 is still quirky and wasn’t thumbnailing .avi and .m4v files correctly. A simple registry edit fixes the problem. Enjoy.

I used Microsoft Expression Encoder to screen cast this video. It is the best software I have tested. Try it out. Functionality is limited on the free version but the quality is fantastic.

Sorry about the mic noise.

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Jacob MORRIS

MORRIS is an impassioned technology writer. He always inspires technologists with his innovative thinking and practical approach. A go-to personality for every Technical problem, no doubt, the chief problem-solver!

26 thoughts on “Windows 7 AVI Thumbnails Fix 4-9-2012

  • October 8, 2020 at 10:41 am
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    my issue was thumbnails not showing on desktop/  after following the instruction in this video and then pressing F5 to refresh my desktop, it worked!!  

    Reply
  • October 8, 2020 at 10:41 am
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    Thank you so much! That worked. It's just a detail, i know, but it was annoying. Finally i have my avi-thumbnails back.

    Reply
  • October 8, 2020 at 10:41 am
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    I must say that`s too much work and time to fix the icons. I simply used Media Preview and ticked the types of files I`d like to see in my Explorer and I saved time to write this mostly unnecessary comment =)

    Reply
  • October 8, 2020 at 10:41 am
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    great thank you for this vid 🙂 I did not have an avi reg key so I exported the main mp4 key then edited all the mp4's to avi, ran it and it worked !

    Reply
  • October 8, 2020 at 10:41 am
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    press windows key and R and type regedit to open registry edit, I had to look that up so I thought it might help

    Reply
  • October 8, 2020 at 10:41 am
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    I installed k-lite, but nothing restored, even the reg files like avi are still missing from the registry, and I may have another problem as my laptop it didnt come with a boot disc so the restore to factory settings is asking me for the windows disc so another option it to use a system image, which I'm guessing was made when windows was installed at the factory? I've backup my data, I just want to know if using a system image will work to reset windows.

    Reply
  • October 8, 2020 at 10:41 am
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    I cant see the avi mp4 or wmv just mpeg, I got as far as finding the registro edit but it seems more easier to backup what I have and reinstall windows again, since you dont seem to get a load disc with a laptop thse days and I already tried a system restore with no joy. so would a fresh install of windows help?

    Reply
  • October 8, 2020 at 10:41 am
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    Just Re-install your codecs..I reinstalled my k-lite codec pack..thumbs are back..!

    Reply
  • October 8, 2020 at 10:41 am
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    I have a 64-bit system. It doesn't work! I had uninstalled VLC previously, now I tried your registry fix, but still nothing. The avi files are the only ones that don't have thumbnails. Everything else works fine. But not generating thumbs for avi files is a big issue….

    Reply
  • October 8, 2020 at 10:41 am
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    Hi there, this did not work for me either. I have the same problem you have, mp4 show thumbnails, the avi thumbnails disappeared and do not show. I also have Windows 7, but it's 32 bit. I followed your video step by step very carefully, but it didn't do it for me. Based on what I read, should I consider uninstalling my VLC player then?

    I have a question for you, if this were to work, what do you do with the modified .reg file you saved on the desktop, if you don't want it there anymore?

    Reply
  • October 8, 2020 at 10:41 am
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    Holy cow you are a genius! This fixed my problem as well. And I DO have VLC on here, so maybe they are connected. It corrupts the key somehow and then you dont have thumbs for AVI files anymore…who knows.

    Finally I can see my preview vids. Trying to upload game files to YouTube is a lot easier now.

    Reply
  • October 8, 2020 at 10:41 am
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    Try copying another string for a file type (.wmv maybe) that does preview. That might work, but backup your registry first.

    Reply
  • October 8, 2020 at 10:41 am
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    do thumbnails show up for mp4 files on your computer? If they don't and you copied non-working registry keys, that could be your problem.

    Reply

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