Microsoft has confirmed that some Windows 10 and Windows 10 Enterprise LTSC 2021 methods will boot into BitLocker restoration after putting in the May 2025 safety updates.
The BitLocker Windows safety function encrypts storage drives to forestall knowledge theft, and Windows computer systems sometimes enter BitLocker restoration mode after occasions like TPM (Trusted Platform Module) updates or {hardware} modifications to regain entry to protected drives.
Today, Microsoft confirmed the problem and stated it is investigating reviews that “a small quantity” of Windows 10 PCs show BitLocker restoration screens after putting in the KB5058379 replace.
“On affected gadgets, upon putting in the replace, Windows may fail to begin sufficient occasions to set off an Automatic Repair. On gadgets with BitLocker enabled, BitLocker requires the enter of your BitLocker restoration key to provoke an Automatic Repair,” the corporate stated in a Windows launch well being replace.
Impacted customers who examine the Windows Event Viewer may also see LSASS errors and set up failure occasions with 0x800F0845 errors within the System occasion log. Additionally, whereas some gadgets will enter a BitLocker restoration loop after Startup Repair fails to provoke an computerized restore, others will efficiently roll again to the beforehand put in replace after a number of makes an attempt to put in KB5058379.
You can retrieve the BitLocker restoration key by logging into the BitLocker restoration display screen portal together with your Microsoft account. This help web page supplies additional particulars on the best way to discover the restoration key in Windows.
Microsoft says it is investigating the problem and can present an replace as soon as extra info relating to the basis trigger turns into accessible.
Microsoft’s acknowledgment of this situation comes after many Windows customers and admins have reported seeing gadgets unexpectedly enter the Windows Recovery Environment (WinRE) and displaying a BitLocker restoration display screen after putting in the KB5058379 cumulative replace launched as a part of the May 2025 Patch Tuesday.
Currently, these reviews level to all kinds of system configurations and gadgets from Lenovo, Dell, and HP being affected, so it is unclear if that is brought on by a selected {hardware} or software program situation.
“The newest KB5058379 launched May 13 high quality replace failed in Windows 10 gadgets. Some gadgets it brought about triggering bitlocker key window after restart,” one person stated on Microsoft’s boards.
“We have a couple of half dozen laptops that skilled numerous intermittent points after receiving the identical KB – some require bitlocker keys to begin up, others refusing to begin in any respect,” a Windows admin added on Reddit.
To get again into Windows on methods caught at a BitLocker restoration immediate, you’ll be able to attempt disabling the Intel Trusted Execution Technology (TXT) from the BIOS. If that fails, as Microsoft help advises, it’s also possible to attempt to disable Secure Boot, Virtualization Technologies (if the problem persists), or Firmware Protection.
In August 2024, Microsoft mounted one other situation that triggered BitLocker restoration prompts on Windows 10, Windows 11, and Windows Server methods after putting in the July 2024 Windows safety updates.
Two years earlier, in August 2022, Windows gadgets have been impacted by related points after the KB5012170 safety replace brought about some gadgets to boot into the BitLocker restoration display screen.
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