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Windows 7: Windows Picture Viewer tries to open PDF

26 Oct 2019   #1

Windows 7 Ultimate x64
[SOLVED] Windows Photo Viewer tries to open PDF

Recently, I noticed the built-in Windows Photo Viewer tries to open PDF files. This was not always the case.

When I double-click on a jpeg on the desktop, it opens the WPV, as it should. If I use the next and previous arrows to scroll through the images on my desktop, the WPV will open any and all images as it should but it also tries to open the PDF's that are on the desktop as if they were images.

I have checked the file associations and default apps and everything seems correct. Adobe Acrobat is the default app for PDF's and if I double-click a PDF, it opens in Acrobat.

I may have missed something but I searched the entire registry and cannot find any entries that tie the WPV to PDF's.

Since I couldn't find the cause of the issue, I installed IrfanView to see what would happen with it. I double-clicked a jpeg on the desktop and used the next and previous arrows and it did the same thing as WPV. It too tries to open PDF's. IrfanView throws the following error:

Is there a way to reset or reinstall the WPV? I already uninstalled Acrobat and reinstalled but that did not help.

UPDATE (2019-10-27):
I fixed it. I uninstalled the FastPictureViewer Codec Pack. I don't remember why I installed it in the first place.

My System SpecsSystem Spec
28 Oct 2019   #2
Paul Black

Win 7 HP SP1 64-bit Vista HB SP2 32-bit Linux Mint 18.3

Hi jeffshead,

Quote   Quote: Originally Posted by jeffshead View Post
UPDATE (2019-10-27):
I fixed it. I uninstalled the FastPictureViewer Codec Pack. I don't remember why I installed it in the first place.

Thanks for sharing the solution, it will help others that have the same issue/problem!
My System SpecsSystem Spec

 Windows Picture Viewer tries to open PDF

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