Download Windows 7 KB4034679 and KB4034664 to enhance PC security

Madalina Dinita
by Madalina Dinita
Former Managing Editor
Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer. She is interested in all things technology, especially emerging technologies -- AI and DNA computing in... Read more
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This month’s Patch Tuesday edition is all about security. Windows 7 security update KB4034679 and monthly rollup KB4034664 bring a series of security updates to many Windows OS components.

More specifically, here are the exact patch notes for both updates.


Security updates to Windows Server, Microsoft JET Database Engine, Windows kernel-mode drivers, Common Log File System Driver, Microsoft Windows Search Component, and Volume Manager Driver.

This update applies to the following systems: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1.


It is worth mentioning that this security update includes all the fixes and  improvements brought by KB4025340, which was released last month. The update applies to Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1.

Security updates to Microsoft JET Database Engine, Common Log File System Driver, Microsoft Windows Search Component, Volume Manager Driver, Internet Explorer, Windows Server, and Windows kernel-mode drivers.

Download KB4034679 and KB4034664

Windows Update will automatically download and install these updates. You can also download the standalone package for each update from the Microsoft Update Catalog website. Simply search the update that you want to install and then hit the download button.

For the time being, there are no known issues with this update. Also, users haven’t reported any bugs either. It appears that both these updates are very stable.

If you haven’t downloaded KB4034679 and KB4034664 yet, do it as soon as possible. As a quick reminder, Windows 7 facilitated the spread of the Wannacry Ransomware. Keeping your system up to date is one of the main lines of defense against malware attacks.

Have you already downloaded KB4034679 and KB4034664 on your Windows 7 computer? Did you encounter any issues? Let us know in the comments below.


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Avatar Jeremy

These updates caused some display issues with certain programs on our 2nd monitors. When opening / moving Office files or Nuance PDF files to our 2nd monitor, the display would look jagged with screen artifacts. After uninstalling 4034679 and 4034664 the issue went away. This happened for all of our terminal service users that have Wyse thin clients and happened for one person that has a generic brand tower. Has anyone else encountered anything similar?

Avatar Pia

Definitely – KB4034664 is a terrible update – we use a citrix
environment and it makes the sessions freeze up when dragging the
program from primary (right) screen to secondary (left) screen. All
users who have dual-screen setup where the right screen is primary are
experiencing this issue. Secondary, the follow-up flags in outlook 2010
disappear when moving outlook to the secondary screen (they reappear
when moving back to the primary)