Why am I getting locked out of my account when using the correct password?

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Changing the password temporarily
2. 2
   Turning off passkeys or switching back to an authenticator app
3. 3
   Contacting platform support
4. 4
   Ensuring user accounts are not frozen due to unrecognized IP addresses or VPN usage
5. 5
   Increase CachedLogonsCount via GPO or registry to allow offline logins
6. 6
   Repair the secure channel directly from the domain controller using Reset-ComputerMachinePassword
7. 7
   Roll back the problematic KB update temporarily
8. 8
   Opening the platform in a private or incognito window
9. 9
   Using a different browser or device
10. 10
    Choosing 'use another method' instead of the passkey prompt
11. 11
    Contacting customer support
12. 12
    Opening Task Manager, launching an administrator Command Prompt, and disabling Fast Startup using the command powercfg /h off before rebooting
13. 13
    Switching web browsers (e.g., trying Safari)
14. 14
    Checking official status pages for incident updates
15. 15
    Turning off phone and logging out for the rest of the day

In their words

Unedited, most upvoted first, each linked to the thread it came from.