Where are .NET User Settings stored IF User = SYSTEM?

Question

I\'ve been working with an updated to update one of my apps and using Properties.Settings.Default.Upgrade() and discovered that after my updater restarts my app

Answer 1

HKEY_USERS\.DEFAULT

is the location where a non-interactive user gets their profile from when nobody is logged in.

The registry key HKEY_CURRENT_USER is associated with the default user, not the current user. To access another user's profile, impersonate the user, then access HKEY_CURRENT_USER.