BlockPop 2.1 was available as a free download on our software library. The software lies within Internet & Network Tools, more precisely Browser plugins. The most popular version of the BlockPop 2.1. The actual developer of the software is VariousCode.
From the developer:
BlockPop block any annoying popup ads automatically. With its popup block engine, BlockPop can block 99% of all unsolicited popup ads and will never interfere with your normal navigation. BlockPop can block pop-up, pop-under, on load popups, on quit, after delay popups and even the most annoying popup ads will be blocked, which most other popup killer can't block.
You may want to check out more software, such as NI-488.2 for Windows, Zaps Installer for MySpaceIM or CafeMom Toolbar, which might be related to BlockPop.