Thumbnail Preview not showing up in file open dialog box for AutoCAD 2014

[Anonymous]

This just started happening last week and it's driving me nuts. I have read other discussions in this forum about this subject matter but no help there.

When I click on File>Open The dialog box no longer has a thumnail preview. Only a small grey box hovering on the right that says "Initial View" with a check box. I have attached a snapshot of my Autocad File> open dialog box so you can see what I'm getting on my end.

If I browse for files in windows explorer and change view option to thumbnail I can see the thumbnails just fine.

I've tried everything but I cannot get back my File> Open thumbnail preview.

In Tools> Options I have the thumbnail preview settings all set to save thumbnail preview image. Nothing has changed that I know if for the thumbnail preview to go away.

Any help with this would be appreciated. It's really slowing me down not being able to have thumbnail preview in the file> open dialog box.

Thanks

[Anonymous]

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@rkmcswain wrote:

In cases like this, I usually forget about trying to find the cause and just implement a workaround.

I would try something like this in "acad.lsp"

(vl-registry-write
  (strcat "HKEY_CURRENT_USER\\" (vlax-product-key) 
  "\\Profiles\\" (getvar "CPROFILE") 
  "\\Dialogs\\Select File")
  "PreviewVisible"
   1
)

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Thanks so much!