The search term atvx86 vb techinfo.zip appears to be a mislabeled or potentially harmful file. No legitimate Android TV x86 or VirtualBox technical package is distributed under that name.
: These ZIP files were common on forums like XDA Developers or SourceForge during the early 2010s to share "solid write-ups" on build instructions, driver workarounds, and configuration files. Summary for Builders atvx86 vb techinfo.zip