PDFGuard 1.23354 was free to download from our software library. The most popular versions of the program 1.2 and 1.0. This program is an intellectual property of ZapperSoftware.com. The default filenames for the program's installer are PDFGuard.exe or ZSPDGDK.exe etc. PDFGuard lies within Office Tools, more precisely Document management.
From the developer:
This program is for authors users who want to protect documents from copyright infringement. You can create trials of your PDF and lease your PDF or totally lock to a single computer. This is a complete turnkey solution. A very cost effective system for producing encrypted, high quality PDF documents with complete copy protection and a PDF viewer that enforces your copy protection scheme.
You may want to check out more software, such as GnuWin32: Sed, Gallery Constructor or COLLECTIBLES ORGANIZER DELUXE S, which might be related to PDFGuard.