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Hi, I am not able to create and save a signature in Nitro Pro 11. When I click the "Quick Sign" button and then "Create New Signature", I try to create a signature using one of the 4 options (draw, from file etc"). Once I draw or browse for a file, it shows the signature in the preview box. But when I then click ok, the whole Create New Signature box closes, without saving the signature. When I then click the Quick Sign button again and Manage Signatures, there is no signature saved. Can you please help? Thanks.