Windows 7 Update Garbling Graphics on Left Auxiliary Monitor Only

Subject: Windows 7 Update Garbling Graphics on Left Auxiliary Monitor Only
From: Kevin Ryan <kryan -at- harriscomputer -dot- com>
To: "techwr-l -at- lists -dot- techwr-l -dot- com" <techwr-l -at- lists -dot- techwr-l -dot- com>
Date: Fri, 3 Nov 2017 13:04:04 +0000


This is an âanyone found a better workaround?â question.

I know this sounds strange to those who havenât experienced it yet, but a Microsoft security update (KB4034679) in the last few months causes big problems for my left-placed auxiliary monitor. It renders all three of my image editors (PaintShop Pro, Snagit, and GIMP) almost useless in one monitor only by garbling images, misrepresenting clipboard content pasted into the editor, and refusing to refresh images properly. Screens on my left auxiliary monitor (my desk monitor) donât refresh properly and when I drag them around and display skid marks reminiscent of something you might see on the Road Runner cartoon (beep beep beep beep). It also causes âImage Not Foundâ errors followed by crashes in FrameMakerâall when the referenced image in question is correctly present. If I perform the same actions with the same programs on my right-hand primary monitor (my laptop), there is no problem whatsoever!!!!

Here is a link by someone who has documented the problem well:

I have proven that the problem goes away when KB4034679 update is removed from my laptop, but since it is a security-based Microsoft update, my corporate IT wanted me to reinstall the updateâalso successfully restoring the problem to my system. :<

Apparently this graphics-rendering problem affects only monitors having ânegative screen coordinatesââas an external #2 monitor located to the left of the primary #1 monitor does. I just tested changing my Windows screen setup to have the #1 laptop on the left and the #2 desk monitor on the rightâand it showed no graphics problem. But I would prefer not to have Microsoft determine how my desk is arranged.

Might anyone know a less-silly workaround or fix for this problem?

Thanks for your time,

Kevin Ryan

for HCTC2017 â Early Bird deadline is August 31!
Kevin Ryan
Technical Writer, Research & Development
P: 802-865-1170x82412
F: 802-865-1171
E: kryan -at- harriscomputer -dot- com
426 Industrial Avenue Suite 140
Williston, Vermont
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