4.6
- Improved support for the latest versions of Mozilla Firefox.
- Fixed rare updating issues.
- Numerous other bug fixes, optimizations, and tweaks.

4.5
- Added Pale Moon browser support.
- Improved support for the latest versions of Mozilla Firefox.
- Improved support for certain non-standard user account configurations.
- Improved installer experience on Windows Vista/7.
- Fixed rare updating issues.
- Numerous other bug fixes, optimizations, and tweaks.

4.4
- Improved browser detection
- Tweaks to support for Windows XP/Vista/7
- Fixes rare issues checking for updates via HTTPS servers
- Improved enabling AutoUpdate on Windows XP Limited Accounts
- Improved enabling AutoUpdate while running other security software that restricts permissions / blocks system changes
- Improved AutoUpdate license entry
- Numerous additional bug fixes, optimizations, and tweaks

4.3
- SeaMonkey 2.x support
- Improved Firefox (and other Gecko-based browsers) support
- Improved high-DPI support
- Misc IE Settings enhancements for Windows Vista/7
- Fixed incorrect "not enough free space" message on large hard drives
- Numerous additional bug fixes, tweaks, and optimizations

4.2
* Windows 7 support
* Internet Explorer 8 support
* K-Meleon support
* Faster, secure updating worldwide
* Automatic program version upgrade support (for AutoUpdate users)
* Interface improvements
* Displays dates and other information in local format
* Enhanced support for Flock 2.x
* Better support for upgrading in the installer - now does more to help ensure
that previous versions are removed when installing “over the top”
* Significantly faster “Disable All Protection” operation
* Fixed “window doesn’t display” on some PCs
* Fixed recurring “run from Admin account” error
* Fixed problems detecting some Firefox (and other Gecko-based browser) profiles
* Fixed crash enabling AutoUpdate on Windows Vista if the Task Scheduler service
is disabled
* Implemented requested “Find Unprotected” right-click feature for
the Block Lists
* Many additional small bug fixes, tweaks, and optimizations