Upgrade or Uninstalling PDF Archtitect 9 notr possible

PDF Architect
1

All,
I'm getting certification error while upgrading while upgrade PDF Architect 9. When trying to un-install I'm getting the same error.

From the logs:
[I][2026-03-10 13:07:07][0x00004674][inst][main.cpp:683][wWinMain]: staring PDF Architect 9 installer, version 9.1.57.3265
[I][2026-03-10 13:07:07][0x00004674][inst][main.cpp:686][wWinMain]: cmd: C:\ProgramData\PDF Architect 9\Installation\PDF_Architect_9_Installer.exe /uninstall
[E][2026-03-10 13:07:07][0x00004674][inst][Updater.cpp:858][ParseResponse]: [json.exception.type_error.302] type must be string, but is null
[E][2026-03-10 13:07:07][0x00004674][inst][Updater.cpp:890][CheckRespVer]: [json.exception.type_error.305] cannot use operator with a string argument with number
[W][2026-03-10 13:07:07][0x00004330][util][RegistryWrapper.cpp:686][EnumerateSubvaluesEx]: Failed to enumerate HKLM\Software\PDF Architect 9\Links : The system cannot find the file specified.

[I][2026-03-10 13:07:11][0x00004668][inst][Scheduler.cpp:363][_EnableTaskInt]: Disable task \Avanquest pdfforge GmbH\PDF Architect 9\Installer updater
[I][2026-03-10 13:07:11][0x00004668][inst][Scheduler.cpp:407][_StopTaskInt]: Stop task \Avanquest pdfforge GmbH\PDF Architect 9\Installer updater
[I][2026-03-10 13:07:12][0x00004668][inst][Scheduler.cpp:267][_ScheduleTaskInt]: Scheduled task \Avanquest pdfforge GmbH\PDF Architect 9\Installer updater
[E][2026-03-10 13:07:12][0x00004668][inst][UninstallProgressPresenter.cpp:252][RemoveThread]: The installation source for this product is not available. Verify that the source exists and that you can access it.
[E][2026-03-10 13:07:12][0x00004668][inst][UninstallProgressPresenter.cpp:255][RemoveThread]: MSI Error 1612: The installation source for this product is not available. Verify that the source exists and that you can access it.
[I][2026-03-10 13:07:26][0x00004674][inst][main.cpp:659][operator ()]: Finished PDF Architect 9 installer

2

Hi,

sorry for the trouble. Most likely the update and uninstall procedure is trying to use a local copy of the original installer, which has an expired signature.
Please try if using the removal tool helps:
https://download.pdfforge.org/go/pdfarchitect9/remover/9.0.11.68/PDFArchitectRemovalTool.exe
If the removal is successful, it should be possible to install the latest version from

Best regards,

Robin

3

Unfortunately, no regerence found using the uninstaller. Remove All remains greyed out.

4

Sorry this is causing so many complications.
Did you try both PDF Architect 9 and PDF Architect 9 Business from the dropdown? It has PDF Architect selected by default, so it will only look for the very old PDF Architect (Version 1) files unless you change the dropdown.
Have you tried running the latest installer from our download site?

Best regards,

Robin

5

Finally, I succeeded to remove the Architect software and after restart able to install it agian.

I saw that you need to select the version and then click preferrence after that you can remove all.

Thanks for your help.

It solved now.,

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