If BitLocker is asking for Recovery Key after Windows Update, and you don't have the BitLocker Recovery Key, see this post ...
If you are unable to use the “Recover from a drive” option in Advanced recovery options and fix issues on your Windows PC, the following methods will help you fix the issue and recover your PC.
Windows 11 updates KB5083769 and KB5082052 trigger BitLocker recovery prompts on enterprise PCs with specific Group Policy and Secure Boot configurations.
But the cleanup effort continues. Microsoft estimates that around 8.5 million Windows systems were affected by the issue, which involved a buggy .sys file that was automatically pushed to Windows PCs ...