You should not be considering a new PC for this reason.
Neither should you be considering a reformat. Uninstalling and
reinstalling should only be considered if you can establish the
problem is not project related.
Have you tried deleting the CPD file and then reopening the
project?
Is your project on the local drive and not on a network
drive?
When you say there is a Windows update waiting, do you mean
Windows is prompting you to reboot? If yes, have you tried letting
it do just that?
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