Secure Boot is recommended by Microsoft to make a safe and trusted path from the Unified Extensible Firmware Interface (UEFI) through the Windows kernel Trusted Boot sequence. Secure Boot helps prevent bootkit malware in the boot sequence. Disabling Secure Boot puts a device at risk of being infected by bootkit malware.

Download this hotfix, and then run the following command to extract the Windows6.1-KB982929-x64.msu file into the temporary folder: 417821_intl_x64_zip.exe –x. Use the following commands to view each store-keeping unit (SKU) or index in the .wim file: Dism /Get-WimInfo /WimFile:<pathto>boot.wim.

Windows 10. Symptoms. When trying to boot Windows, you receive the error: An operating system wasn’t found. Try disconnecting any drives that don’t contain an operating system. Press Ctrl+Alt+Del to restart. Resolution. A bootable USB or DVD with Windows 7 or higher is needed to bring up the Command Prompt.

How to perform a clean boot. These steps might look complicated at first glance, but following them in order, step-by-step, will help you get you back on track. Windows 11 Windows 10 Windows 8.1. Sign in to the computer as an administrator.

How to get this update. Method 1: Windows Update. This update is available through Windows Update. It will be downloaded and installed automatically. Method 2: Microsoft Update Catalog. To get the stand-alone package for this update, go to the Microsoft Update Catalog website. Method 3: Windows Server Update Services.

To help keep Windows devices secure, Microsoft adds vulnerable bootloader modules to the Secure Boot DBX revocation list (maintained in the system UEFI-based firmware) to invalidate the vulnerable modules.

Burn C:\x64_2k8r2.iso to a DVD. Fixes an issue in the Cdboot.efi, Cdboot_noprompt.efi, Efisys.bin, and Efisys_noprompt.bin files that causes a "Boot failed" error message. This issue occurs when you start a UEFI-enabled computer from the installation DVD of a 64-bit version of Windows 7 or Windows Server 2008 R2.

Surface. Windows 11 Windows 10. Surface Unified Extensible Firmware Interface (UEFI) replaces the standard basic input/output system (BIOS) with new features including faster startup and improved security. You can use Surface UEFI to manage the firmware features on your Surface. These Surface models use the new firmware UEFI interface:

Windows 7. Windows 8.1. Windows 10 (Then select Download now.) Windows 11 (Then select Download now .) Important: Back up your files before you install or reinstall Windows on your PC. Learn how. To create the installation media, here's what you'll need: A PC with a reliable internet connection.

Cause. This issue occurs because the one of the following applications does not clean up all the page table entries for the pages that were freed: The Windows Operating System Loader (Winload.efi) application. The Windows Resume Loader (Winresume.efi) application.