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Strange Thumbnails

post #1 of 8
Thread Starter 
I have Windows 7 64-bit SP1 installed. A week ago I noticed that in my video folders the appearance of files have been changed. Now Every video file has little thumbnail of their own in the lower right corner.

This is example how now thumbnails look. Some thumbnails even have Google Chrome thumbnail in the corner.
I have checked the size of video files with MediaInfo reports that I made earlier before this phenomena appeared and it seems that file sizes are exactly same as they were before, so they are not infected with some kind of virus. Can anybody explain this and how to get rid of this?
post #2 of 8
so not this then


looks like the icon corresponds with the the plug in that is supposed to open that file type in your browser. I suspect you set some browser setting or plug in to do that. Check your browser plug in preferences. It may also be part of another plugin you added, or some sort of shovelware you accidentally did not adequately refuse to download when you downloaded something else.
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post #3 of 8
    The icons are showing because the "Display file icon on thumbnails" option is enabled in Explorer's Folder Options.  If you disable that option, those overlayed icons will disappear completely.
  The wrong icon (Adobe Reader) is being overlayed because of a file association problem.  To reset the file association for .vob files, press [Win]+[R], type "regedit" and press [Enter].  Navigate to "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.vob" and delete the ".vob" registry key (folder).  This will cause the file association for .vob files to default to the system defined file association.  Let me know if this fixes the file association.  It is possible that the system-wide association is also wrong for .vob files.
 
Edited by Techie007 - 10/20/13 at 9:21am
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post #4 of 8
Thread Starter 
I deleted file association for .vob in the registry but the problem remained. As for system-wide association, when I open video files, either .vob or .avi, they are opened in the media player. Very strange, indeed. weirdsmiley.gif
post #5 of 8
    It is possible that the Adobe Reader icon is persisting simply because you need to reboot your computer for Explorer to rebuild its icon cache.  Sometimes, even that doesn't work, and the icon cache has to be rebuilt manually.  Read this page for more information: Purge & rebuild the Icon Cache in Windows 7 | 8.  In addition to having instructions, they have a program at the end of the page that will do this for you.

    If that doesn't restore the media player's icons, let's see what the system file association is for VOB files.  Open Registry Editor and navigate to "HKEY_CLASSES_ROOT\.vob".  You can navigate there easily by clicking the "HKEY_CLASSES_ROOT" registry key, pressing [RightArrow], and then pressing [.] [v] [o] [ b] in quick sequence.  Now that ".vob" is selected, read its "default value" in the right-hand pane.  On my system, it reads "vobfile".  Whatever its "default value" is on your system, you'll need to navigate to "HKEY_CLASSES_ROOT\{value here}".  So on my system, I will navigate to "HKEY_CLASSES_ROOT\vobfile".  Expand it (click the little [+] button).  You should see some subkeys with names like "DefaultIcon" and "shell".

    If you see "DefaultIcon", click it.  The default value of that key specifies where to get the icon from.  If it points to anything other than your media player, it is probably wrong.  If you know what you're doing, you can copy the "DefaultIcon" value from a filetype that is displaying correctly, like say, MP3 or AVI.  You would find that value by using the same process I explained above (in the second paragraph).

    The "shell" key contains the list of actions that you can do with the file with by right-clicking it.  The "default value" of "shell" (if specified) names the key inside of "shell" that is the default action for the file.  The "default value" of each key inside of "shell" specifies the caption Explorer displays in the right-click context menu for that action (i.e.: Play with VLC media player).  Inside of each of those subkeys should be a subkey named "command".  Its default value points to the program/command-line to execute in order to fulfill that action (i.e.: "C:\Program Files\VideoLAN\VLC\vlc.exe" "%1").  If the actions you see here don't match what you see in Explorer, it would be because of a per-user override (which I had you delete in my previous post).

    I hope that wasn't too complicated to follow. thumb.gif  Of course, if you simply want to remove those icon overlays altogether, you would still have to disable them via Explorer's Folder Options.
 
Edited by Techie007 - 10/21/13 at 10:21am
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post #6 of 8
Thread Starter 
I solved the problem. I changed folder view to "Details", sorted with "Sort by" by size, then sorted again with name and the icons now look normal. My video files folder is huge and maybe Windows has a bug with icons. Thanks for trying to help me out. thumb.gif
post #7 of 8
Quote:
Originally Posted by wanna_buy View Post

I solved the problem. I changed folder view to "Details", sorted with "Sort by" by size, then sorted again with name and the icons now look normal. My video files folder is huge and maybe Windows has a bug with icons. Thanks for trying to help me out. thumb.gif

    Interesting, thank you for sharing this.  If you didn't rebuild the icon cache as I mentioned in my previous post, perhaps your changing the view style and sorting caused Windows Explorer to rebuild the cache by itself for some reason. smile.gif  Either that, or there is another bug lurking in Windows 7 Explorer!
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post #8 of 8
Interesting, I thought the problem was in early installed software
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