Windows 10: Activate Windows - Go to Settings to activate Windows message

Bought a computer in 2019 that had Windows 10. Got a message in 2021 to upgrade to Windows 11 for free. Did that on 11/16/21. Worked fine until there was an update on 7/29/23...shows that Version22H2 was successfully installed. Now when I start up my computer, I see a message in the low right corner of the desktop page telling me to activate Windows. When I go to Settings to try this I just get errors. If I go to System and click on Activation to check Activation state, Subscriptions, Product Key, the link doesn't work...nothing happens. I've tried the Troubleshoot link; I just keep getting er

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Windows activation . . .

In the Windows activation status page is it still showing as activated, or do you have something like 3 days to do it in?

 

Windows Vista Activation

I have 4 sytems in my home running vista(1 ult.-3 prem).The ultimate & 1 premium took SP1
wthout a hitch.1 premium required re-activation?,The other premium did not list SP1 in windows up-date,So i manually installed it without any re-activation required.
Also have to add that SP1 has increased performance in every comp.The ultimate machine actually got a 1,100 point increase in 3d 06 without any other changes at all.

 

windows activation—hardware changed siginficantly

From time to time on my thoroughbred PC, I get a Windows activation message that says my hardware changed siginificantly and I have to re-activate Windows. My hardware hasn't changed any more than a network card (went from a wireless g card to onboard lan to a wired network card), and the install is legit. Why is it doing this, and how can I stop it?