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.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Provides a solution to error message "Windows firewall cannot change some of your settings Error code 0x8007042c" when you try to turn on Windows Firewall after you upgrade to Windows 7.

Learn how to find your BitLocker recovery key in Windows.

Provides guidance for installing a DBX update to fix a vulnerability that exists in some Secure Boot modules if they trust the Microsoft third-party UEFI CA.

Troubleshoots and fixes common issues with security and malware prevention in Windows.

Learn about BitLocker Drive Encryption in Windows and how to encrypt drives.

Automatically repair Windows Firewall problems, such as Windows fails to start Windows Firewall service (0x5) or Windows remote assistance is not working.

Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Run to start that troubleshooter.

Windows 7 and Windows Server 2008 R2 have reached the end of mainstream support in January 2020 and are now in extended support. For more information, see here . Windows Embedded Standard 7 reached the end of mainstream support in October 2020 and is now in extended support.