Error Preflight when saving as PDF/A on Windows 11

Question

When trying to save as a PDF/A file in Acrobat Pro DC it throws an error.

Assertion failed in file D:\T\Plugins\Preflight\src_pdfToolbox\pdfInspektorBatch\_Imp\PIBatchAVConversion.cpp, line #566:"CPreflightDlgManager::getDefaultPRCs(state,progbar)"

I been in contact with support who confirms this is a bug and given me several workarounds to try which we have tried without success. However I can't find any more information on the issue and the issue is urgent. This does not occur on Windows 10 but on Windows 11.

We have tried:

Reinstalling, repairing and updating
Installing an older version
Unchecked "Enable Protected Mode At Startup" and "Run in Appcontainer"
Deleting registry keys Adobe Acrobat, Acrobat Arm, Acrobat Distiller, PDF settings.

I have tried on 2 different machines with Acrobat Pro and Windows 11 and it throws the same error.

On the 2nd machine, unchecking "Enable protected mode at startup" enables me to save the PDF as a PDF/A but sometimes gives the error "Document has been saved, but could not be converted according to the selected standard profile: Convert to PDF/A".

Is this being worked on by Adobe? Has anyone found a solution?

divyasin · Accepted Answer

Save as PDF/A uses the Preflight conversion to save the document to required compliant standard. If you use Preflight Tool (All Tools-->Print Production-->Preflight) , most likely you would see some issues either in profiles loading blank or the issue you reported above. It appears to be some issue with Preflight Profiles getting corrupted or facing issue during install. Please try this suggested workaround and let me know if this resolves the issue :

Disable the sandbox feature in Acrobat (under Preferences > Security (Enhanced) > Enable Protected Mode at startup (Preview)) , Quit Acrobat and Restart.
In the case of empty Profiles (or generally), it is advisable to remove the Preflight preferences (%APPDATA%\Adobe\Acrobat\Preflight Acrobat Continuous) to get fresh libraries/profiles after the sandbox is disabled. Quit Acrobat , Remove Profiles from above mentioned path and Restart Acrobat. Try Preflight again after relaunch (All Tools->Print Production->Preflight) , it should then fetch the fresh libraries/profiles. Please select all libraries one by one from dropdown to fetch all the profiles (shown in screenshot). It will only take few minutes.

After the profiles have been fetched , then try to use your workflow .

Note: Please keep a backup of folder before removing from appdata as any custom profiles might get lost during removing/renaming folder.

Once the issue is resolved , please enable sandbox feature again and continue to use Product.

Regards,

Divya Kumar Singh

Konrad_At_JAC · Answer

I am haivng the same issue as defaulto5oggv94cnee

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