Nov 04, 2001  I used to run this version of AutoCAD under windows Me until 2 days ago end. Caveman: 11/3/01 12:36 PM 'Paul' wrote.Both AutoCAD 2002 and Win XP are upgrade/promiseware. They do not offer any signifigant improvment to CAD or to an 'operating system' in any reasonable aspect. I think what you have is a pre-release. Exclusive merchandise, live entertainment, screenings, behind-the-scenes panels, select exhibits, and never-before-seen glimpses into the future of Star Wars.

Starting on June 2, 2018, I tried to open my AutoCAD MEP 2019, and it gave me the following error 'Sorry, this pre-release product has expired'. I checked for updates, tried to download and install AutoCAD patch 2019.0.1, but it claims it couldn't find my AutoCAD (it was installed in the default location). I uninstalled AutoCAD, reinstalled, gives the same error. Tried AutoCAD, AutoCAD MEP, AutoCAD Architecture, all the same. The only thing that semi-works is by setting my computer clock back 1 year, then load up AutoCAD, to which it then gives me the option to 'activate' my license, and it allows me to work in it, but if I try to load a read-only drawing or print, for example, it gives me this error and closes. My subscription doesn't expire until Jan 31, 2019.

My subscription is Architecture Engineering & Construction package. Help would be appreciated. Thank you, David Coleman.

Since this was happening with any Autodesk programs (not just AutoCAD 2019), and setting the clock back 1 hour was a temp fix, and none of the software updates fixed it (or just claimed it couldn't find AutoCAD of the said edition on my computer). I had to do a complete uninstall of all AutoCAD products on my machine.

I left the Revit to start, so it was all AutoCAD and related software. I then downloaded the software via the download manager and installed and reactivated my license, and it's worked great since then. Even the Revit programs suddenly started working again, once AutoCAD MEP 2019 was re-installed.