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I have the following problem: I have a document signed with a digital certificate in which I want to make comments by using Adobe acrobat 3D.
We use a signature card from a trust center and a pkcs7 signature.
To make comments is no problem, but if I try to delete these comments by using the “DEL” key the following error message occurs:
“This operation is not allowed because the document is signed.”
Funny thing is that it is possible to delete the comments using the menu or the right mouse click.
If there is more information needed concerning this problems, please ask.
Thanks a lot!!!!