MDM restrictions can prevent an iPhone or iPad from completing setup, installing apps, or accessing certain device functions.
BitLocker may suddenly ask for the recovery key. Make sure you back up the code in good time so that you can access your data ...
MUO on MSN
After this update, your Windows PC will demand a 48-digit key, and most people can't produce one
Update, reboot, locked out — all because of a key you didn't know existed ...
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