"This operation is not permitted" when using custom plug-in (on some PC's)

New Here ,
Jun 07, 2019 Jun 07, 2019

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Hi,

Wonder if anyone can assist please?

We have a plug-in which has been working fine for years.

When used it saves a copy of the .PDF being worked on.

We have 2 PC's which have just upgraded to the same Adobe DC version (2019.012.20034) - using the same document:

-One one machine it works fine without any errors.

-On the other we get 'This operation is not permitted'.

This occurs when the PDDocSaveWithParams command is called.

Any help would be greatly appreciated. (Wondered if it was font related).

Regards

Stuart

saveParams->fileSys=ASGetDefaultFileSys();

saveParams->newPath=pathName;

saveParams->saveFlags=PDSaveFull|PDSaveLinearized|PDSaveCollectGarbage;

saveParams->size=sizeof(_t_PDDocSaveParams);

saveParams->saveFlags2 = PDSaveCompressed | PDSaveAddFlate | PDSaveReplaceLZW | PDSaveOptimizeXObjects | PDSaveOptimizeContentStreams | PDSaveOptimizeFonts;

PDDocSaveWithParams(pdDoc,saveParams);

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Acrobat SDK and JavaScript

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Most Valuable Participant ,
Jun 07, 2019 Jun 07, 2019

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I wonder if the Acrobat security preferences differ. Compare them in detail.

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New Here ,
Jun 08, 2019 Jun 08, 2019

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Thanks for the reply.

I've been through all of the settings several times and they look to be exactly the same on both PCs.

It's really odd.

I've noticed that the .PDF document is shown as (SECURED).

Also, the plug-in works fine on both PC's for documents that aren't "secured".

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Adobe Community Professional ,
Jun 08, 2019 Jun 08, 2019

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What security settings in the document?

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New Here ,
Jun 09, 2019 Jun 09, 2019

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Thanks for the reply.

The document says (SECURED) when I open it. It came from the HM Land Registry.

I checked the File, Properties screen.

I also checked all the options within Edit, Preferences-comparing them with the PC it works on.

Really odd that it works on one PC but not the other. Can't see anything obvious that might be causing it.

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Adobe Community Professional ,
Jun 10, 2019 Jun 10, 2019

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What can you see at File > Properties > Security ?

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New Here ,
Jun 10, 2019 Jun 10, 2019

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FilePropertiesSecurity.jpg

This is what I get...

Tried on another 2 PC's - one works and the other doesn't. Same document. Same Adobe DC version.

Really odd..

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Adobe Community Professional ,
Jun 10, 2019 Jun 10, 2019

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Can you use the optimizer in Adobe Acrobat?

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New Here ,
Jun 11, 2019 Jun 11, 2019

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We don't seem to be able to do this as it's a (Secured) document..

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Adobe Community Professional ,
Jun 11, 2019 Jun 11, 2019

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Correct, the security settings doesn't allow changing the document.

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Most Valuable Participant ,
Jun 11, 2019 Jun 11, 2019

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You could try taking out PDSaveOptimizeXObjects, however this is an old setting unrelated to the PDF Optimizer.  I'm assuming you've tested the regular SAVE AS and it works on those systems.

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