There was a download of RegRunner 3.2.2009.5 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program's installer files are commonly found as RegRunner2009.exe or RegRunner2008.exe etc.
This free tool was originally developed by Bernd Dietzel. We recommend checking the downloaded files with any free antivirus. The latest version of the software can be installed on PCs running Windows XP/7/10/11, 32-bit. The software lies within System Utilities, more precisely System Optimization. The most popular versions of the tool 3.2 and 3.0.
From the developer:
Watches for Regristry-changes of keys like HKLMSoftwareMicrosoftWindowsCurrentVersionRun etc. and pops up if something has changed, logs it, can ask google for the key found. Protects against Trojans and Viruses.
You may want to check out more software, such as HS WinPerfect SE, ResChanger 2005 or Favorite Shortcuts, which might be related to RegRunner.