Introduction. This article describes a hotfix rollup for Windows 7 Service Pack 1 (SP1)-based and Windows Server 2008 R2 SP1-based computers. This hotfix rollup contains 90 hotfixes that were released after the release of SP1 for Windows 7 and Windows Server 2008 R2.

This article describes a hotfix that adds support for Trusted Platform Module (TPM) 2.0 in Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1. This update changes the TPM OS components and adds the ability to use BitLocker Drive Encryption with TPM 2.0.

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

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

This article describes an update to add native driver support for an installation of NVM Express (NVMe) that uses the PCI Express (PCIe) bus in Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1. Note After you install this hotfix, you may receive a "0x0000007E" Stop error. To fix the Stop error, install hotfix 3087873.

Windows could not start the Windows Firewall, DHCP client, or Diagnostic Policy on Local Computer. For more information, review the System Event Log. If this is a non-Microsoft service, contact the service vendor, and refer to service-specific error code 5.

How to obtain and install the update. This update is available on Microsoft Update for Windows client operating systems and available on WSUS and MU Catalog for Windows Server operating systems.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...

Open BitLocker Drive Encryption. Next to each drive there's a list of allowed operations. To enable encryption, select the option Turn on BitLocker . Select an unlock option and back up the recovery key. The drive will begin the encryption process.

Resolves vulnerabilities in Windows OLE that could allow remote code execution if a user views a specially crafted webpage by using Internet Explorer. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user.