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DisplayFusion creating 2 blank windows named "Window", seen when alt-tabbing

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Henry Prasetio96696
4 discussion posts
Subject. Why is this happening? Also I am sure that DisplayFusion is causing this since when I start Windows without it, those blank windows don't appear.

Some more info if needed:
The blank windows show up as soon as I start Windows. I have 2 monitors, a main and a side one. I am placing 2 open programs (Line and Discord) in my side monitor.
• Attachment: Inked2018-09-13_21-40-26_LI.jpg [181,785 bytes]
Inked2018-09-13_21-40-26_LI.jpg
Inked2018-09-13_21-40-26_LI.jpg
Sep 13, 2018  • #1
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Henry Prasetio96696
4 discussion posts
Bump
Sep 14, 2018  • #2
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Could you send us a debug log? Here are the steps:

  • On the DisplayFusion Settings > Troubleshooting tab, change the Logging drop-down to "L1: Log Minimal" and click Apply
  • Reproduce the issue and note the time so we'll know where to check in the log file
  • Click the "Export Info to File" button on the Settings > Troubleshooting tab
  • Reply with the file attached
  • Disable debug logging after sending the log

Thanks!
Sep 14, 2018  • #3
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Henry Prasetio96696
4 discussion posts
Here you go. Thing is I can't really reproduce the issue, those 2 blank windows are just there since Windows starts and I can't do anything with them.
• Attachment [protected]: DebugInfo.txt [106,232 bytes]
Sep 14, 2018  • #4
Keith Lammers (BFS)'s profile on WallpaperFusion.com
That's only the troubleshooting info, could you send the debug log as well? Using the "Export Info to File" button should export a ZIP that contains the troubleshooting info and the debug log.

Thanks!
Sep 14, 2018 (modified Sep 14, 2018)  • #5
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Peter M1
6 discussion posts
I'm running DisplayFusion Pro 8.1.2 and have the exact same problem. I think it actually started when Windows 10 1803 (earlier this year) came out, but I never got around to tracking down the cause until now.

My problem is identical to the first poster in this thread.

It's definitively DisplayFusion causing the problem. If it exit out of DisplayFusion completely, the problem goes away. As soon as I launch DisplayFusion, those two blank windows show up in task switcher.

I've attached my log file to this message (since it doesn't seem that the original user has come back yet).

Let me know if you need any more debug info.

Thanks!
• Attachment [protected]: DisplayFusion.log [175,270 bytes]
Oct 3, 2018  • #6
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Thanks! Could you capture another debug log, but this time try to switch to one of the blank windows?
Oct 3, 2018  • #7
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Peter M1
6 discussion posts
See attached for the new log. I attempted to alt+tab over to the blank windows twice. Then, I opened up alt+tab and attempted to select one with my mouse pointer.
• Attachment [protected]: DisplayFusion.log [258,584 bytes]
Oct 4, 2018  • #8
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Thanks! It looks like our Alt+Tab Handler is picking up some weird hidden Explorer window. I will check in with our devs to see if we can blacklist it from Alt+Tab.
Oct 4, 2018  • #9
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Peter M1
6 discussion posts
Cool, thanks for responding so quickly!
Oct 4, 2018  • #10
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Henry Prasetio96696
4 discussion posts
Hi, sorry I have been away for some time and not replying. I see another poster has sent the relevant information needed. Thanks for that, I hope this issue can be resolved quickly since it's a bit annoying at times.
Oct 4, 2018  • #11
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Just a quick update here. These seem to be some hidden Windows UI windows that DF is picking up for some reason. We think we've found a way to exclude them and we'll post an update when we have a new beta with the issue fixed up.

Thanks!
Oct 17, 2018  • #12
Keith Lammers (BFS)'s profile on WallpaperFusion.com
This should hopefully be all fixed up in DisplayFusion 9.4 Beta 4. Could you guys give it a try and let me know how it works out?
Nov 19, 2018  • #13
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