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MojoTojo55618
1 discussion post
I've seen similar posts like this before and I didn't mind them until I have finally confirmed this was my case as well.
I have a really beefy computer so i'm sure it's not my hardware issue.
I do have 3 displays (24" LCD x 3)
What happens to me is that, at first booth my PC is super quick. I take screenshots (custom region) a lot, nature of my work, and everything is snappy. But over the course of hours I will notice my PC slowing down, windows are getting more and more laggy, will notice screenshots taking a bit slower to aquire (like minimal but i know it aint snappy as it should) etc

I notice lots of apps/windows become sluggish (telegram, skype, etc) like they get all sticky and not snappy.

I've always thought something in my PC was causing it but nothing out of the ordinary on the resource manager.

So I have no choice but to reboot. After reboot all is well, until a few hours later.
TODAY I decided to reboot PC and not turn on Display Fusion... Many hours of working I can already say my PC has not lagged one bit!! I do the same thing day in and day out and the only difference today is that DISPLAY FUSION is OFF!
Wow.. all this time it was DF causing my PC slow down! :(
I've got the latest DF version installed.
I love DF (paid for it) and it's painful not to have it.
Has anyone ever figured this out yet?
Regards
Mar 10, 2022 (modified Mar 10, 2022)  • #1
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Could you send me a copy of your troubleshooting info? Here are the steps:
  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached

Thanks!
Mar 10, 2022  • #2
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Holger Drechsler1
21 discussion posts
Hello, I have a similar behavior. I normally use to open one session of AutoCAD, two sessions of 3dsMAX and photoshop. Under Windows 7 there was now slow down by opening lots of windows. But under Win10/64 it slows down. I really have good hardware. I´ve seen that DisplayFusion is not the only cause that slows the computer down. But if I exit DisplayFusion the reactivity is quicker. I think, that Windows itself cause the majority of the problem. After restart the computer all is fine until I work with the above mentioned programs.
Jul 4, 2022  • #3
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hi Holger,

Could you send me a copy of your troubleshooting info? Here are the steps:
  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached

Thanks!
Jul 5, 2022  • #4
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Holger Drechsler1
21 discussion posts
Hello Owen, here is my file. Zhank you very much for your support.
• Attachment [protected]: DisplayFusionDebugInfo.zip [32,719 bytes]
Jul 6, 2022  • #5
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hi Holger,

Thanks for sending that over. When your system becomes slow, if you open up task manager, is DisplayFusion using a significant amount of any resource?

Thanks!
Jul 6, 2022  • #6
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Holger Drechsler1
21 discussion posts
No, DisplayFusion needs about 1% CPU-load and about 140 MB RAM. The thing is, that the processor load is always very low and also the CPU temperature is normal. RAM is used max. 16GB of 64GB. But if there are many windows open the time for doing things inside the progamms become slower and slower. I have opened much more windows than usual and so I saw, the DisplayFusion is not part of the problem. Because if shut it down the PC is slow after that too. Inbetween I installed the latest BIOS and Chipset drivers with no success. As I know other users, who say, that they didn´t have this problem it seems to be a problem with my system configuration. I will search further....
Jul 6, 2022  • #7
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Rik van den Reijen30843
3 discussion posts
I am experiencing the same thing. Somehow I feel like displayfussion is slowing down my PC due to all the triggers I have. However I don't see it using much memory but my PC responsiveness has gone down significantly after implementing some.
Jul 11, 2022  • #8
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hi Rik,

In the DisplayFusion Settings > Triggers tab, you can uncheck "Enable Triggers" and run without them enabled to see if the issue persists.

Thanks!
Jul 11, 2022  • #9
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Rik van den Reijen30843
3 discussion posts
I am experiencing severe slowdowns (mostly my mouse moving very slowely) when dragging windows or opening new ones. The task manager indicates that DisplayFussion is using a low amount of CPU and RAM (it could take plenty more). The issues remind me of memory leaks.
Sep 4, 2022  • #10
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Could you send me a copy of your troubleshooting info? Here are the steps:
  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached

Thanks!
Sep 6, 2022  • #11
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SQLG0d
71 discussion posts
I urge the users on this thread that have slowness issues to download Microsoft Sysinternal tool called Process Explorer. Run it and filter on all active DisplayFusion processes and have it track all Registry and File activity. Run some few minutes while doing things on your PC and then save the captured results off to a native file type, zip if up and send to BF for review. There is no hope of reasonable performance until they reduce polling to an absolute minimum, and make sure that whatever frameworks/modules they are using stop needless hammering of registry/file systems. These captures will show those in stark relief.
Sep 9, 2022  • #12
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David Overton
1 discussion post
I will run a procmon, but I wanted to share that it is possible that DF service is leaking handles. On my current system which has been running for 5 days without a reboot DF now has over 100,000 handles open. This is more than any other application and is 20% of all handles on the system.

It is also worth noting that the CPU counter in the details tab is incorrect inside taskmgr. You have to look in the processes view to see the real CPU usage.

I've just exported the troubleshooting information and it is interesting that it thinks it has < 2,500 handles including GUI, file etc while Taskmanager shows virtual memory use of 3.3GB and 113,242 handles.
• Attachment [protected]: DF Task Manager.png [27,872 bytes]
• Attachment [protected]: DisplayFusionDebugInfo-13-9-22-12-16.zip [925,680 bytes]
Sep 13, 2022  • #13
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Thanks for letting us know, we were able to reproduce this on our end so we'll take a look into it for our next beta.

Thanks!
Sep 14, 2022  • #14
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
This issue should be fixed up in the latest beta, available here: https://www.displayfusion.com/Download/Beta. Please let me know if you still run into any trouble after updating.

Thanks!
Dec 1, 2022  • #15
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Mark Warbington
2 discussion posts
I purchased DisplayFusion in May 2023, primarily because I wanted to cycle wallpaper on a third monitor. Soon after, I noticed that Photoshop (CS6) was taking a very long time to open. During startup, the "Reading Preferences" screen seemed to take about 10x longer than normal. I thought there might be a problem with my C: drive, but I could find no evidence of that. I upgraded to a fast SSD (which was overdue anyway -- long story), but it didn't solve the problem. Adding to the mystery, launching Photoshop for the first time after reboot was as fast normal, but subsequent launches were painfully slow. It was only then that I considered that the problem with Photoshop started when I installed DisplayFusion. I uninstalled the program and the problems disappeared completely.

I found a free program (which I will, respectfully, not mention in this forum) and it's accomplishing my original goal (albeit without fading between wallpapers, which was a nice DisplayFusion touch).

I am not interested in troubleshooting and will simply not use DisplayFusion. I just wanted to record this for others to see. I work in IT and can't think of any correlation between DisplayFusion and Photoshop that would cause this strangely specific problem. It's quite an old version of Photoshop, so I can appreciate that this might not be applicable to many DisplayFusion users.
Jul 8, 2023  • #16
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calex
1 discussion post
I'm a long time user of Display Fusion. Lately I've noticed that my windows will start lagging after a while...
I disabled DisplayFusion to check if it had anything to do, and to my surprise, my PC no longer lags after a while.

Like most of the users said above, this is very noticeable after a few hours.

I've been running my windows 11 installation with display fusion disabled for at least a week. Everything is still snappy and fast...

It pains me not to use display fusion, but unfortunately I can't just bear the performance hit that DisplayFusion brings...
Jul 9, 2023  • #17
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Could you send me a copy of your troubleshooting info? Here are the steps:

  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached

Thanks!
Jul 10, 2023  • #18
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Carol Cook
3 discussion posts
Hi: I am also experiencing this issue - same parameters - no visible overuse of RAM/Disk. Triggers are disabled. Once the service is stopped, the lag disappears. Debug log attached.

TIA
• Attachment [protected]: DisplayFusionDebugInfo.zip [94,114 bytes]
Jul 21, 2023  • #19
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Could you send me over a video of the issue?
Jul 24, 2023  • #20
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Mark Warbington
2 discussion posts
Thank you, Owen. Unfortunately, as I stated in my post, I have chosen to uninstall DisplayFusion and only wanted to report the problem. However, the issue does seem to have been corroborated by at least one other user.
Jul 24, 2023  • #21
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Carol Cook
3 discussion posts
Quote:
Could you send me over a video of the issue?


Was this in response to my issue (#19) or the next one (#21)?
Jul 26, 2023  • #22
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
To your post, #19 :)
Jul 27, 2023  • #23
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Draver
7 discussion posts
I'd like to add to this one. I've been seeing this problem for many months now. I wonder if it started when the system tray icons subsystem was changed, I'm not sure. I know that not all my system tray icons shows up on my display fusion tasks bar (Nividia tray icon settings don't show up on DisplayFusion taskbar for exemple).

Just this morning I was running a memory benchmark with Aida64, and the RAM latency seemed higher then expected. Turned off DisplayFusion and behold, latency was back to normal (note that this may have been a fluke, as latency benchmark do tends to fluctuate between tries). Funny thing, is that when Aida64 got to the latency part of the benchmark, just when it was about to display the result number, the Aida64 memory benchmark window started blinking multiple times (for about a second or two) before displaying the results. Turning off displayFusion fixed this behaviour.

I usualy see this issue pop up after DisplayFusion has been running for a few days (leaving the computer running at all time). Turning display fusion off and restarting it clears it up. It's really anoying though because you never know when it will start making your computer behave strangely, slowing everything down.

This issues is really a bummer! Windows 11 is very limited in the options it gives for different taskbar behaviour on multi-monitor setup. I really need DisplayFusion to hide my task bar on my main monitor while keeping it displayed on my side monitor.

I hope this post can give a bit more informations in order to pin point the cause.
Sep 3, 2023 (modified Sep 3, 2023)  • #24
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Could you send me a copy of your troubleshooting info? Here are the steps:

  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached
Sep 5, 2023  • #25
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Draver
7 discussion posts
Sure here it is.

I did restart DisplayFusion yesterday so it hasn't bugged out yet. I can try to send you a report when it starts to missbehave, if that can help.
Sep 5, 2023  • #26
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Yeah if you can send over another copy once the issue starts happening, we can compare the files and hopefully find something.

Thanks!
Sep 5, 2023  • #27
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Draver
7 discussion posts
Reading the latest patch note it seems like you might have catched and fixed this bug afterall ?
Sep 7, 2023  • #28
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Yeah we fixed up some stuttering issues that might fix up your's as well. Let me know if you notice any difference after updating.
Sep 7, 2023  • #29
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Draver
7 discussion posts
Sure, will do. So far so good. We'll see in a week if it holds up :)
Sep 7, 2023  • #30
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Draver
7 discussion posts
Calenders notifications from Outlook seems to be one of the cause of this from what I've seen. Especially when they linger for a long time before being dismissed.
Oct 5, 2023  • #31
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Grant J
8 discussion posts
Wanted to add to this discussion that I have not had luck running any of the 10.x versions of Display Fusion without significant performance issues, second monitor taskbar crashing, alt-tab slowdowns, etc. Apologies for not gathering debug info the last time I tried (last week), but I just needed the software to work and stop interfering with my actual work so I downgraded to 9.9 again, which has been working just fine for me.

Windows 11, nVidia graphics card, two monitors, main 1080P, secondary QHD in portrait mode with three taskbars on it.
Oct 18, 2023  • #32
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Could you send me a copy of your troubleshooting info? Here are the steps:

  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached
Oct 19, 2023  • #33
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Bash
4 discussion posts
Is there any known workaround for this as yet? I started having this issue as well a few weeks ago and for the longest time blamed Windows update, till I conicidentally found out that the lag completely disappeared when display fusion randomly crashed. After a bit of trial and error I found that it was indeed display fusion that was causing the lagging and I have disabled it from starting up for now.
9 days ago  • #34
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Could you send me a copy of your troubleshooting info? Here are the steps:

  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached
5 days ago  • #35
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Bash
4 discussion posts
I've attached the debug info. At the moment, Displayfusion is making my PC completely unusable - the process is always in the Top 5 most memory intensive processes in Task Manager.

I have had to disable it from auto-starting at boot. Before I disabled start with windows, Displayfusion would keep giving me a warning saying that a second instance was active. FWIW, the performance issues and this alert showing up happened simultaneously.

Unlike a few other Windows 11 users here, the change is instantaneous for me. Booting is painfully slow unless displayfusion is disabled. As soon as displayfusion starts, the PC becomes unusable, and as soon as I kill the process, the PC is back to being perfect.
• Attachment [protected]: DisplayFusionDebugInfo.zip [409,534 bytes]
• Attachment [protected]: photo_2024-02-21_08-09-39.jpg [20,419 bytes]
• Attachment [protected]: Screenshot 2024-02-21 080916.png [25,557 bytes]
5 days ago (modified 5 days ago)  • #36
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Thanks for sending that over. Could you grab a dump while the memory is high as well? You can grab it via Task Manager > Details > right click DisplayFusion.exe > Create Memory Dump File
3 days ago  • #37
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Bash
4 discussion posts
I created two dumps. Here's a link. The link expires on 8th March.

I can't attach them here because the files are too big.
3 days ago (modified 3 days ago)  • #38
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