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1

Getting error when opening all PDFs "Adobe Acrobat could not open 'file' because it is

New Here ,
Mar 25, 2022 Mar 25, 2022

Hi when i go to open any PDF now with double click or "Open with" i get the following error

 

Adobe Acrobat could not open '20220322_&flow.pdf' because it is either not a supported file type or because the file has been damaged (for example, it was sent as an email attachment and wasn't correctly decoded).

 

This has only started recently and is causing me serious problems.

 

Im using a Macbool Pro Monterey and Adobe Acrobat Pro DC Version 2022.001.20085.

 

Any advice woudl be really appreciated.

 

Sean

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General troubleshooting
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Community Beginner ,
Mar 25, 2022 Mar 25, 2022

Same here, just started happening with the update.

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Community Expert ,
Mar 26, 2022 Mar 26, 2022

Open the file in a plain-text editor, like Notepad. What's the first line you see there?

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New Here ,
Mar 26, 2022 Mar 26, 2022

Its totally blank

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Community Expert ,
Mar 26, 2022 Mar 26, 2022

Then the file has been corrupted.

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Community Beginner ,
Mar 26, 2022 Mar 26, 2022

I can open these same PDFs on my older mac so they are not corrupt.

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Community Expert ,
Mar 26, 2022 Mar 26, 2022

An empty file is obviously corrupt.... Maybe it corrupted in the transfer from the old computer to the new one.

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Community Beginner ,
Mar 26, 2022 Mar 26, 2022

No, these are files that opened previously on the newer mac... I just happen to have my old mac sitting next to it still so tested the same pdfs over there.

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Community Expert ,
Mar 26, 2022 Mar 26, 2022

What does you see when you open the file in a text editor?

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New Here ,
Jul 27, 2025 Jul 27, 2025

I have this problem too, and when I open the file in Notepad, the first - the ONLY - line says "{"fromReader":false}"

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Community Expert ,
Jul 27, 2025 Jul 27, 2025

Then it's not a PDF file. Something went wrong when you downloaded it.

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New Here ,
Jul 28, 2025 Jul 28, 2025
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Thanks so much! I will report that to the library then.

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