VirtualBox: The Quick Solution to “Extension Pack Installer Failed. VERR_ACCESS_DENIED”

Continuing on with the PC migration saga and getting my new toy working a few days ago I bumped into a problem whose solution I share here. This time, it was with Virtualbox Extension Packs.

Summary

Problem: It was impossible to install Virtualbox Extension Packs. I got the error:“The installer failed with exit code 1: VBoxExtPackHelperApp.exe: error: Failed to rename the temporary directory to the final one: VERR_ACCESS_DENIED Continue reading