This security update resolves vulnerabilities in Windows, Microsoft Office, and Microsoft Lync. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted document or goes to an untrusted webpage that contains embedded OpenType fonts.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

Symptoms. In Windows 10, if you: Have a hybrid graphics system (an integrated GPU and a separate one) Run a game or app in windowed mode (instead of full-screen) Have Vsync enabled. You may see “tearing” (graphic corruption/distortion) in the upper-left corner of the game or app window.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

The Windows Graphics, Imaging, and XPS Library contains the latest advancements in modern graphics technologies for gaming, multimedia, imaging and printing applications. It includes updates to DirectX to support hardware acceleration for 2D, 3D and text-based scenarios; DirectCompute for hardware accelerated parallel computing scenarios; and ...

Fixes a handle leak when an .exe file is called by the CreateProcess function. This issue occurs in Windows 7 and in Windows Server 2008 R2 after the execution of the .exe file is denied by a file system filter driver.

Fixes an issue in which an OutOfMemoryException exception occurs. This issue occurs when you use a graphics object to paint in a Windows Forms application that targets the .NET Framework 3.5.

This update addresses an issue in which Windows leaks lots of handles in the lsm.exe process. When smart card applications use the SCardEstablishContext function after you apply update 4056446 , the leaking may eventually cause the applications to display an “SCARD_E_NO_SERVICE” error message.

The graphics processing unit (GPU) in your device helps handle graphics-related work like graphics, effects, and videos. Learn about the different types of GPUs and find the one that meets your needs.

Find out how to choose between the 64-bit or 32-bit version of Office. Get answers to some common questions about 32-bit and 64-bit versions of Windows.