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#1 Posted : Friday, February 3, 2023 4:32:33 AM(UTC)

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Hi all,

the last licence for PDFIUM.NET I bought was in 2020-08-05.
Used it successfully in a piece of code with 4.64.2704 up to today.

We encounter a crash in the library with some PDFs so I decided to try if I could update to the latest version 4.78.2704 ans test with it.

I get a

LicenseKeyIsOutOfDateException: Your license key is out of date and cannot be used with this version of Pdfium.Net SDK. Please downgrade to the previous version allowed for using with this key.
Please note that you can use any versions which were released within 12 months from the date of purchase.
To use latest version of SDK, you must pass the renewed key obtained during renewal of maintenance subscription. If you have an active maintenance subscription, but you have not received the renewed key, please contact to support@patagames.com

which is totally understandable.
So I rolled back to my working version 4.64.2704 but now, even with this version I do get the same message. In fact, with any version I get the message.

What can I do to go back to previous state ?
How can I test if the latest version work with my crashing PDF before upgrading my licence ?


Edited by user Friday, February 3, 2023 4:33:51 AM(UTC)  | Reason: Not specified

Paul Rayman  
#2 Posted : Tuesday, February 7, 2023 2:04:32 AM(UTC)
Paul Rayman

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It looks like you didn't actually downgrade.
- check the version of pdfium.dll in the output folder (should be as specified here https://forum.patagames....released-on-Nov-26--2021 )
- clean up and rebuild your solution.
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