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Reading PDF documents in Microsoft Edge is the default value in Windows 10, so what happens if Microsoft Edge does not open PDF files and you see the error INET_E_RESOURCE_NOT_NOT_FOUND? Fortunately, we have found solutions that should make things better.
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We recently encountered a new problem that some users face and that always appears when they try to read a PDF document. From what we understand, users see the INET_E_RESOURCE_NOT_FOUND error and nobody knows how to stop it.
We don’t know why this PDF error occurs, but what we do know is our ability to help you correct it. The cause of the error may have something to do with some form of system corruption, so let’s solve the problem.
Microsoft Edge does not open PDF files
1] Repair Microsoft Edge
If you have a problem with an application under Windows 10, we recommend you try a repair. This can be done by starting the Settings application by clicking the Windows + I button and then selecting Apps from the menu.
Under Apps & Features, click Microsoft Edge, then select Advanced Options. The last step is to click Repair and wait for the system to do it. From there, simply follow the instructions on your screen to move forward.
2] Disable TCP Fast Open
If the repair does not work, we recommend making some changes to the hidden settings in Edge.
Start the Microsoft Edge web browser and type about:flags in the address field and press Enter on your keyboard. Scroll to Networking and search for Enable TCP Fast Open, simply disable it and restart the web browser to enable the changes.
3] Reset Edge as default PDF reader
Open settings > Default applications > Select default applications by file type > Search PDF and set Edge as default.
4] Dump DNS
If all of the above options fail, you will likely need to clear the DNS cache from the command prompt.
Click the Windows + R button to open the Run dialog box, then type ipconfig /flushdns and press Enter. You should now see a message indicating that the Windows IP configuration has successfully cleared the DNS resolver cache.
Exit the prompt by pressing Exit, then click the Enter button . That should put an end to your misery, and I hope it never comes back.
If you use Windows 10 N or Windows 10 KN editions, you should know that they do not support opening PDF files in Edge. You may need to use Microsoft Reader or third-party PDF reader software.
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