HideAll 2.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. This software is a product of Shri GauriShankar Software. The program lies within Security Tools, more precisely Privacy.
From the developer:
HideAll is a unique and powerful program that allows you to keep your Internet surfing habits and application uses private. HideAll offers an easy to use interface that allows home and office users to keep Internet use, email and computer applications private when these applications are not in use or when others are present.
HideAll is a program that quickly hide your working programs and windows.
You may want to check out more software, such as Hide All Open Windows Software or Hide ALL IP, which might be related to HideAll.