[German]It seems, that Microsoft’s Update KB4034664 (and KB4034679) for Windows 7 and Windows Server is causing display issues with several applications on a second screen. I’ve seen issues with PDF viewer, Excel, Office 2013, JAVA and Irfanview. Here are some more details and maybe a workaround
Update KB4034664 for Windows 7 SP1
Update KB4034664 (August Monthly Quality Rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1) (and KB4034679) contains improvements and bug fixes for Microsoft JET Database Engine, Common Log File System driver, in Windows search, in Volume Manager driver, in Internet Explorer, and in Windows kernel-mode drivers.
Display issues on 2nd screen
First I stumbled about reports discussing issues with displaying pdf documents with PDFXchange Viewer on a 2nd screen. Currently I only have a German forum entry, where users are discussing about this issue. One user wrote (freely translated):
I just have seen, that Version 2.5 of PDFXchange Viewer has issues, if the PDF document shall be viewed on a 2nd monitor. On the primary screen the PDF document will be shown properly.
The PDF document will be distorted on the second monitor or will not be displayed. After uninstalling KB4034664, everything works again. Updating the graphics driver won’t fix.
In normal cases, I have had not recognized this forum post. But this comment confirmed the issue within the newest software version:
This happens also with the current build of PDF XChange Editor (6.0.322.6). Also IrfanView, and sometimes Adobe Reader has this issue.
Within this comments (German) a user describes the issue in detail. The issue occurs on the 2nd monitor, where the rendering is broken. It seems that I is independent of the graphics card used within the system (see this German commend).
Note: There is an update for PDF Xchange Viewer – as you can read here. They wrote ‘Added a workaround for a bug in a Windows 7 update – possible rendering issues when KB4034664 is applied to Windows 7 systems that have ‘Desktop Composition’ turned off.’
A user mentioned JAVA display issues on a 2nd screen. This reminds me on my German blog post Probleme nach Microsoft August-Updates. Within this article I mentioned issues with Excel after update. The icons from VBA editor is vanishing on an 2nd screen.
Searching the Internet brought me to this Technet forum post, where some user reported issues with Office 2013 on a 2nd monitor:
We have 2008 R2 Term server that has Office 2013. It’s a guest on a VMWare host.
When our users that are running Dell desktops with dual monitors RDP in, they are having issues with Office 2013 on the second monitor ONLY. On the second monitor only, the Office applications will have shadows, the scrollbars, the text along the top of the window, and the minimum and maximize icons will be all messed up.
I found also another entry within NVIDIA-Forum, where video issues are reported after installing Update KB4034664. And here somebody reported a black Mathlab display on a 2nd monitor. Also a user comment here reported similar issues.
Office 2013 Refresh issues during RDS sessions
Another isssue has been reported at MS Answers within this forum thread. Users observing a missing refresh in Office Pro 2013 on multiple monitors running on Microsoft Server 2008 R2 using a RDS session. The issue is caused by Update KB4034664.
The first solution will be uninstalling Update KB4034664 to fix this issue. Within this comment a user says, that rendering works flawless, after he activated an Aero design/theme:
What helped was, activating an Windows 7 Aero design. After activating Aero, a broken frame was rendered correctly. Switching back to an Aero-less design/theme broke rendering again.
Addendum: The PDF Xchange Viewer changelog (see above) mentioned a workaround ‘for a bug in a Windows 7 update’ causing possible rendering issues when KB4034664 is applied to Windows 7 systems that have ‘Desktop Composition’ turned off.’ On sevenforums.com is this tutorial showing how to enable/disable ‘Desktop Composition’. Maybe it helps too.
If somebody is affected, maybe you can left a comment, whether the workaround helped.
Further details about the issue
Addendum: Note the blog post Graphics Bug in Windows 7 after installing August 2017 Security Updates from Christian Schwarz with additional details (see also his comment below). He wrote:
The monitors are setup such that certain parts of the screen have negative screen positions. For example a secondary monitor is setup to be left of the main monitor. Or a monitor is setup to have a higher top border than the main monitor.
His assumption, that a local administrator account isn’t showing this issue, isn’t true. I have seen reports, where the issue was reproducible on admin accounts. Overall we need to wait for another patch from Microsoft to fix the issue.
Warning, issues in medical environments
Note also the comment (in German) from a Swiss company with a warning to install the update in medical environments on Windows 7 systems with a 2nd monitor. The system will become practical useless due to the rendering bug, because medical images can’t be shown anymore.
Addendum: Microsoft released a hotfix
Microsoft released Update KB4039884 as a hotfix for Windows 7 (see my blog post Windows 7: KB4039884 fixes dual monitor rendering bug).
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