I have a remote team member, who now can’t continue working on our project, since I attached the new compact plan, because her computer refused to update PT8 (a recent update had obviously not stuck). Automatic Updates was turned on. Check for Updates manually didn’t work, even when online. Applying the latest available patch manually ended “prematurely because of an error” (no error specified). Windows 10 was up to date. No antivirus software was installed. Whenever PT8 was opened, it prompted to install an update it downloaded, 27ab96.msi, but then didn’t do it when okayed. PT was hung on version 100.75. Deleting the compact plan from the project didn’t t solve the problem, send/receive for the project was permanently disabled by PT8 for that project on that computer. Deleting the project and redoing the whole download after deleting the compact plan did not unblock the project, because “the project version was upgraded” with that fatal send/receive that declared the PT8 version insufficient for the compact plan. It seems, the project was not downgraded back again when the compact plan was deleted. Installing the PT update patch from the command line also failed. In the end, PT8 needed to be uninstalled and reinstalled completely. That restored access to the project, but the work of the previous day (when s/r declared the project no longer compatible) was still lost.