And todays problem is..
Discussion
You can fix yourself.
The windows need to 're-learn'. From memory (and you won't do any damage), with ignition on (obviously) hold the window down button for 30 seconds and then up (door closed) for the same. It should resolve the issue.
My XKR and Vanquish (which I assume had similar/shared computer brains) had this problem from time to time. Luckily I always noticed and never slammed the door with the window too high.
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