Wow, hello! I worked in the UK on a short-lived product called SoftInstall.net which did something similar for .NET applications. We had our own file system and

Wow, hello! I worked in the UK on a short-lived product called SoftInstall.net which did something similar for .NET applications. We had our own file system and registry emulation layers, all inspired by Microsoft Research’s “Detours” paper. I remember being impressed with Thinstall at the time. My email is in my profile - fee free to say hi!