I stumbled into Google Chrome extensions made by various providers, that viciously use the Pre-Install option in order to stay even when the user uninstalls it, every user will get highly annoyed by this “Feature”.
After getting annoyed myself by one of them (Shameless mako.co.il) I looked it up.
Apparently, the pre-install keys exist under this key:
Or here for 64bit operating system
Since I provide technical support for people, I needed a tool to automate the removal action, so I created a REG file to remove this registry key.
Notice: This file cleans up every extension registered to be pre-installed, but it doesn’t remove them.