Downloading PDFGuard 1.23354 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among the software users are 1.2 and 1.0.
PDFGuard.exe and ZSPDGDK.exe are the most frequent filenames for this program's installer. PDFGuard lies within Office Tools, more precisely Document management. This software was originally produced by ZapperSoftware.com. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
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 FSI Pages Converter, which might be related to PDFGuard.