Based on all the ruckus caused by KB5012170, if you are able, determine if BitLocker is active, and if so and if undesired, disable it on all drives before rebooting your computer running Microsoft Windows 10/11.

PS C:\WINDOWS\system32> Get-BitLockerVolume


   ComputerName: 

VolumeType      Mount CapacityGB VolumeStatus           Encryption KeyProtector              AutoUnlock Protection
                Point                                   Percentage                           Enabled    Status
----------      ----- ---------- ------------           ---------- ------------              ---------- ----------
OperatingSystem C:      1 862,39 FullyDecrypted         0          {}                                   Off
Data            D:      3 726,01 FullyDecrypted         0          {}                                   Off


PS C:\WINDOWS\system32> Get-BitLockerVolume -MountPoint C: | Format-List


ComputerName         : 
MountPoint           : C:
EncryptionMethod     : None
AutoUnlockEnabled    :
AutoUnlockKeyStored  :
MetadataVersion      : 0
VolumeStatus         : FullyDecrypted
ProtectionStatus     : Off
LockStatus           : Unlocked
EncryptionPercentage : 0
WipePercentage       : 0
VolumeType           : OperatingSystem
CapacityGB           : 1862,387
KeyProtector         : {}



PS C:\WINDOWS\system32> Get-BitLockerVolume -MountPoint D: | Format-List


ComputerName         : 
MountPoint           : D:
EncryptionMethod     : None
AutoUnlockEnabled    :
AutoUnlockKeyStored  :
MetadataVersion      : 0
VolumeStatus         : FullyDecrypted
ProtectionStatus     : Off
LockStatus           : Unlocked
EncryptionPercentage : 0
WipePercentage       : 0
VolumeType           : Data
CapacityGB           : 3726,006
KeyProtector         : {}

It looks like my computer is in the clear. If it hadn’t been, then I would run these two commands.

PS C:\WINDOWS\system32> $BLV = Get-BitLockerVolume
PS C:\WINDOWS\system32> Disable-BitLocker -MountPoint $BLV

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