To fix error 0xc0000428, Windows cannot verify the digital signature for this file, disable the integrity checks and driver signature enforcement. If that doesn’t ...

We all know the purpose of a signature is to validate the authenticity and validity of a document. As we move from paper to computer, for almost every task, it becomes important to find a substitute ...

Smile has released PDFpen 8, the latest version of its all-purpose PDF editing tool for the Mac. The upgrade features support for digital signatures, file attachments, and, in PDFpenPro, portfolio ...

Signatures validate a document by showing that you manually endorsed it with your written or digital signature. Microsoft Word 2013 won't automatically add your signature to all documents, because ...