KB5025885: How to manage the Windows Boot Manager revocations for ...
In File Manager, right-click the file C:\bootmgfw_2023.efi, click Properties, and then select the Digital Signatures tab. In the Signature list , confirm that the certificate chain includes Windows UEFI CA 2023 .
A UEFI-enabled computer may "hang" at a black screen in the startup ...
When the Bootmgfw.efi application tries to clean up these page table entries, this application accesses an invalid memory address and causes an access violation exception. Note The Bootmgfw.efi application is the Windows Boot Manager application. Resolution Hotfix information. A supported hotfix is available from Microsoft.
KB5027386: Compatibility update for installing and recovering Windows ...
bootmgfw.efi. 10.0.14393.5980. 8-May-23. 20:51. 1,198,856. bootmgr.efi. 10.0.14393.5980. 8-May-23. 20:52. 1,188,144. boot.stl. Not versioned. 12-Apr-23. 17:51. 10,895. bootux.dll. 10.0.14393.726. 12-Jan-17. 20:36. 3,753,984. winload.exe. 10.0.14393.5980. 8-May-23. 20:52. 1,181,688. winload.efi. 10.0.14393.5980. 8-May-23. 20:52. 1,364,520 ...
Slow PXE boot performance on a UEFI computer that's running Windows 8.1 ...
On a Unified Extensible Firmware Interface (UEFI) computer that's running Windows 8.1 or Windows Server 2012 R2, you discover that PXE boot performance is slower than expected. Cause. This problem occurs because during the PXE boot, the boot image takes a long time to download. Resolution. To resolve this problem, apply the following hotfix.
The latest version of bootmgr.exe for Windows 8.1 or Windows Server ...
The latest version of bootmgr.exe for Windows 8.1 or Windows Server 2012 R2 - Microsoft Support. Windows 8.1 Enterprise Windows 8.1 Pro Windows 8.1 More... Symptoms. Assume that you put the computer into sleep mode by using the power button on the start screen or the charms.
MS16-100: Description of the security update for Secure Boot: August 9 ...
Summary. This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if an attacker installs an affected boot manager and bypasses Windows security features. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-100.
KB5031471: Compatibility update for installing and recovering Windows ...
How to get this update. Install this update. Prerequisites. There are no prerequisites to apply this update. Restart information. You don't have to restart your device after you apply this update. Update replacement information. This update replaces the previously released update KB5027386. File information.
KB5027389: Compatibility update for installing and recovering Windows ...
bootmgfw.efi. 10.0.19041.3083. 17-May-23. 22:08. 1,563,464. bootmgr.efi. 10.0.19041.3083. 17-May-23. 22:07. 1,546,584. boot.stl. Not versioned. 13-May-23. 22:53. 10,717. winsipolicy.p7b. Not versioned. 13-May-23. 9:27. 9,796. bootux.dll. 10.0.19041.505. 27-Aug-20. 0:27. 4,006,400. winload.efi. 10.0.19041.3083. 17-May-23. 22:06. 1,797,920 ...
KB5034234: Compatibility update for installing and recovering Windows ...
bootmgfw.efi. 10.0.22621.3000. 11-Dec-23. 20:12. 1,692,544. bootmgr.efi. 10.0.22621.3000. 11-Dec-23. 20:13. 1,675,648. boot.stl. Not versioned. 11-Nov-23. 0:31. 10,895. winsipolicy.p7b. Not versioned. 11-Nov-23. 0:31. 10,341. winload.exe. 10.0.22621.3000. 11-Dec-23. 20:11. 1,670,928. winload.efi. 10.0.22621.3000. 11-Dec-23. 20:11. 1,997,552 ...
KB5034233: Compatibility update for installing and recovering Windows ...
Windows 10. Summary. This update makes improvements to the Windows recovery features for Windows 10, version 1507. How to get this update. Install this update. Prerequisites. There are no prerequisites to apply this update. Restart information. You don't have to restart your device after you apply this update. Update replacement information.