My Browser Builds (Part 3) in Browsers working on Older NT-Family OSes Posted August 30 · Edited August 30 by InterLinked ... and to make it worse, it doesn't seem the profile can be moved. I *copied* (I suspected moving might be a bad idea) the old profile folder to the new location. Initially I got all the standard welcome new user stuff when opening MailNews. Now I get: Ugh.... I'm an id*** now for upgrading these programs "just cause"... I really just wanted the updated New Moon for the nullish coalescsing/optional chaining support, not this whole can of worms. If there's no way to fix this, I literally have to spend 4 hours setting up my email and another 8-12 hours syncing it. Biggest headache ever. - Okay, looks like moving the *contents* of the profile folder as opposed to the profile folder, and overwriting all the default files, does work. The folder statistics had to rebuild, but at least no lasting damage appears to have been done - my email is back in business. Now I just need to figure out the New Moon stuff. I didn't have many customization to it, I can rebuild it if necessary and don't mind much, but it would be nice to be able to migrate the profile folder if that can be done.