If BitLocker is asking for Recovery Key after Windows Update, and you don't have the BitLocker Recovery Key, see this post ...

Protect your PC and storage drive from unauthorized access. Here’s how and why I enable BitLocker on all my Windows computers ...

BitLocker encrypts your hard drive and requires a key to decrypt it. Microsoft may give your key to law enforcement upon a valid request. Don't save your key to the cloud; instead, store it locally or ...