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Meme transcription: Anakin & Padme
[Panel 1] Anakin tries selects “Update and shut down” from the Windows start menu.
[Panel 2] Padme, labeled as “Windows”, cheerily says: ”You mean ‘Update and restart’, right?”
[Panel 3] Anakin takes an annoyed look.
[Panel 4] Padme, still cheery, says “I’ll just ‘Update and Restart’.”
Usually yes, but you'll never be forced or even nagged to restart. You could keep your computer going for months on the same kernel until you decide that it's time to reboot, at which point your computer will boot with the new kernel.