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DisplayFusionHookApp64 starts ~60 s after DisplayFusion at login (12.1.1)

Binary Fortress Software — Sun, 11 Oct 2026 05:55:32 GMT

Hi,

On my PC, DisplayFusion itself starts quickly at login, but the hook processes (DisplayFusionHookApp32/64) only show up about a minute later. Until then, the TitleBar Buttons and the window management functions don't work.

Setup:
- DisplayFusion Pro 12.1.1
- Windows 11 25H2 (build 26300), fast desktop PC with an NVMe SSD
- DisplayFusion is launched by a Task Scheduler task at logon (the Run entry is disabled)
- DisplayFusionService is set to Automatic (not delayed)

Measured process start times (Get-Process StartTime) on today's login:
- DisplayFusion.exe: 08:37:04 (about 3 s after logon)
- DisplayFusionHookApp32 / HookApp64: 08:38:09 (65 s later)

What I already tried:
- Launching DisplayFusion first, from Task Scheduler: DisplayFusion.exe went from +30 s to +3 s, but the hooks still come about a minute later.
- DisplayFusionService switched from "Automatic (Delayed Start)" to "Automatic": no gain (the gap went from 35 s to 52 s on the next boot).
- With the service already running, restarting DisplayFusion brings the hooks up in about 7 s. So the delay only happens at login.

I couldn't find any advanced setting that controls when the hooks are loaded (only TaskbarsDelayLoadStartup, which is for the taskbars).

Is this delay intentional? Is there a setting or a workaround to load the hooks sooner after login? I'm happy to send DisplayFusion.log and DebugInfo.html if that helps.

Thanks!

12.2 v3 beta, multi monitor auto hid taskbars popup then hide again too fast to select something

Binary Fortress Software — Sat, 10 Oct 2026 19:45:08 GMT

latest app version does reveal auto hid taskbars for a sec when mouse hover asks, but then rehides before picking something if there is another app window in the area (on blank desktop is fine). preview thumbnails for wherever the mouse was when the taskbar was revealed do stay visible until mouse is moved away. exited the app, installed 12.2 v2 beta and still have the new issue, but v2 used to be fine.
*new clue* by playing with window sizes near the taskbar area i can see the taskbar revealed correctly on top, then quickly closes but remains open underneath the nearby app window until used to do something or the mouse is moved away.

RE: Fed up by DisplayFusion constant issues.

Binary Fortress Software — Sat, 10 Oct 2026 14:35:56 GMT

New version. New horrible issues. Why there is now a DisplayFusion.uiAccess.exe process that eats up a minimum of 3% and up to ** 60% ** of my cpu??

How do I fix this crap?

This happens with both 12.2 Beta 2 and Beta 3.

RE: DisplayFusion not working

Binary Fortress Software — Sat, 10 Oct 2026 13:17:57 GMT

Update

With 12.1.2 (Beta 1) things have improved as there is no more freezing of the DisplayFusion program or flat lining of monitors. I can get 2 of 3 monitor profiles to load successfully. I have attached my current settings and another Debug log. I updated to 12.2 (Beta 3) last night and 2 of 3 monitor profiles still load successfully and the 3rd profile remains an issue. See notes below:

Windows loaded after reboot: 7:53am
Bottom Row (1x3) profile loads automatically and is successful at 7:56
Full Grid (3x3) profile loaded manually and is successful at 7:57
Middle Row + Bottom Row (2x3) loaded manually and is unsuccessful arranging displays at 7:59

Quote:

Great! Appreciate the update. Looking forward to it.

Quote:

Just a quick update here. We need to add some more logging detail for the next beta to get some more information about some fails in the last log. We'll let you know as soon as it's available.

Thanks!

RE: Bug report: Monitor fading stacks every time you change display properties

Binary Fortress Software — Sat, 10 Oct 2026 10:22:42 GMT

Quote:

We have just released Beta 3, this version will allow us to get the information we need much more easily. Can you install Beta 3 from here:

https://www.displayfusion.com/Download/Beta/

Errr.. ok. With this new beta version, the problem is no more. It no longer happens after I installed this. Can't reproduce Sorry.

RE: Multi Split backgrounds not very random

Binary Fortress Software — Sat, 10 Oct 2026 08:11:55 GMT

When not logged into DeviantArt, images of slightly mature nature are blurred now. Unless I'm mistaken, there's no way to log into DeviantArt and transfer the session to DisplayFusion and no login interface in the DisplayFusion app.

And since you can't opt to not use the blurred images, many or all of your backgrounds are just blurs.

The taskbar icon for DF with V12.2 beta 3 is gone

Binary Fortress Software — Sat, 10 Oct 2026 08:01:10 GMT

Updated today to 12.2b3 and now the icon is enabled but won't show. Rebooted a few times, toggled on and off, won't show.
CF is fine though!

RE: Several major bugs that exist in version 6.1

Binary Fortress Software — Sat, 10 Oct 2026 04:33:53 GMT

Thanks Keith. I don't think these new options are for me, as I see that they've been added as sub-options under the old option for showing a preview of HTML Colours, which I've never had enabled (and don't wish to have enabled). See a screenshot of my settings on the General tab.

All I want is that a Preview Popup is automatically shown (of what has most recently been changed/added to the clipboard, and it must show the actual image or the actual text). And my Trigger did that for years.

Selecting a historical entry from the History does indeed make a change to what is currently on the clipboard, so I don't see why a trigger for 'Clipboard Changed' should ever miss such an event. It was only in Beta 8, I believe, that you guys decided for some reason that selecting entries from the History should explicitly ignore such a trigger. It makes no sense.

With regards to this new build, I got it to crash within the first minute when just testing text copying (see my other thread). I haven't done any testing of how images are handled in the History, but I saw no acknowledgement of my last post where I spent considerable time doing further analysis with AI (which found a ton of problems with the implementation, even over-and-above what was discussed). Whether the developers took onboard all that information, or made any changes based on it, is unknown. And whether the developers are interested in doing similar analysis themselves, with similar tools, is unknown.

I don't really like the direction that ClipboardFusion is going in (e.g. these new options), and to be honest I'm getting a bit jaded with the instability and unpredictability concerning its function. Furthermore, the fact that current state-of-the-art AI systems can see such a vast number of design and implementation flaws doesn't inspire confidence. ClipboardFusion could certainly do with an (AI-assisted) overhaul of its codebase focused on stability, reliability, and predictability.

EDIT: I think if you guys are adamant about adding new options (because you want it to be easier for others to have the same functionality as what I've used a Trigger for), these simplified settings make more sense:

[ ] Automatically show the Preview Popup for changes to the clipboard
    [ ] Show HTML colours in the Preview Popup

RE: 6.4 Beta 8 creates duplicate History entry for text-scrubbing

Binary Fortress Software — Sat, 10 Oct 2026 03:44:52 GMT

Within the first minute of installing this build, I already got the application to crash when trying to test this. I just tried a few times to copy one of two different lines of plain text (each one with either a leading space or no leading space) to test whether duplicates are created. Although I didn't see duplicates of the text being created in the History, after about the 5th time I hit Ctrl+C, the application just crashed. I see that it did create a crashdump, but right now I don't have the time or the spare usage credits for SuperGrok to do yet another AI analysis of the cause. I still have my original Triggers enabled, because the new options are unsuitable for me.

EDIT: I got another similar crash a little later, when copying text again. Perhaps foolishly, I've just used most of my remaining Grok usage limit for this week to analyse both crashdumps. Frustratingly, I see that at least one of the issues identified in the earlier crash reports I sent earlier hasn't been addressed. Maybe I'm wasting my time running these crash analyses. Anyway, below is the latest analysis about these 2 crashdumps from Beta 9:

What the process was doing

Both UI threads are in the preview-popup hotkey:

ProcessHotKeyShowPreviewPopup → ShowClipboardContentsPopup → BeginInvokeCustomVoid → clipboard probe → ClipboardContainsAny → GetClipboardDataObjectRawTHROWS

That last method calls OleGetClipboard, and if it gets a COM object back it wraps it and calls GetFormats(). The catch blocks around this path never run. FailFast is not a catchable managed exception.

The two dumps die on the two different native calls inside that method:

• 35000 is still inside the OleGetClipboard P/Invoke (cRk.YRS+eW5K.kW5u). The clipboard owner’s IDataObject faulted while OLE was retrieving it.
• 38736 got an IDataObject back and faulted in System.Private.Windows.Ole.Composition<…>.NativeToManagedAdapter.GetFormats. The native stack under that call is the CLR COM marshaler: GetComIPFromObjectRef → IUnkEntry::GetIUnknownForCurrContext → SafeAddRef, plus ComObject::SupportsInterface / MethodTable::GetGuid. That is an AddRef or interface query on a bad or disconnected clipboard object.

dataexchange.dll, ole32.dll, and combase.dll are loaded in both. This is the Windows clipboard data-exchange path, not a ClipboardFusion-internal null dereference.

Why it kills the process

The faulting instruction is not in JIT code, so ShouldHandleManagedFault (excep.cpp:6310 in the .NET 10.0.12 runtime) does not turn it into a NullReferenceException. The access violation then reaches the managed personality routine ProcessCLRException. At exceptionhandling.cpp:621 the runtime does this:

if (IsProcessCorruptedStateException(pExceptionRecord->ExceptionCode, NULL))
EEPOLICY_HANDLE_FATAL_ERROR(pExceptionRecord->ExceptionCode);

STATUS_ACCESS_VIOLATION is a corrupted-state exception unless DOTNET_legacyCorruptedStateExceptionsPolicy is set. The runtime calls RaiseFailFastException (KERNELBASE+0x10A1A. The ExecutionEngineException on the thread is only the FailFast placeholder. The original fault address and the read/write target were not kept: the recorded exception has NumberParameters = 0, and the captured instruction pointer is RaiseFailFastException, not the instruction that faulted.

Runtime is .NET 10.0.12 (coreclr.dll 10.0.1226.4230. OS is Windows 11 build 26200, 24 processors.

What is not the crash

Three or four threads in each dump carry a BadImageFormatException ("Bad method token", 0x8007000B) with an empty stack trace. Those threads are parked in WaitHandle.WaitMultiple inside the IPC handler (Jrz.srx.StartIpcHandlerWorkerAsyncTHREAD). That object is the thread’s last exception, left over from a failed method-token lookup. It is not being thrown.

A second UI thread (0xA72C in the first dump, 0x5C90 in the second) is blocked in Lock.TryEnterSlow inside ClipboardContains, called from ShowPopupUITHREADONLY → ShowPopupFormUITHREADONLY. The preview thread holds the clipboard lock while the popup thread waits for it. That is contention, not the access violation.

Conclusion

The uiAccess process dies when the preview hotkey reads a clipboard whose OLE data object is invalid. One run faults in OleGetClipboard itself; the next faults while enumerating formats on the object it returned. .NET 10 treats that native access violation as fatal, so ClipboardFusion’s own try/catch around ClipboardContainsAny cannot save the process. The clipboard owner at the moment of the hotkey is the interesting variable: the same hotkey against an ordinary text or bitmap clipboard does not take this path into a bad IDataObject.

RE: Several major bugs that exist in version 6.1

Binary Fortress Software — Fri, 09 Oct 2026 20:43:54 GMT

Here's a test build for the next beta if you'd like to give it a try for this issue: https://www.binaryfortress.com/Data/Download/?Package=clipboardfusion&Beta=1&TEST11=1&Log=0

For the Preview Popup on clipboard change, try disabling your Trigger, and enabling both "Also show the Preview Popup..." options on the Settings > General tab.

Thanks!

RE: Bug report: Monitor fading stacks every time you change display properties

Binary Fortress Software — Fri, 09 Oct 2026 20:40:33 GMT

We have just released Beta 3, this version will allow us to get the information we need much more easily. Can you install Beta 3 from here:

https://www.displayfusion.com/Download/Beta/

After the issue happens again with the layering can you send me a copy of your troubleshooting info? Here are the steps:

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

Thanks!

RE: 6.4 Beta 8 creates duplicate History entry for text-scrubbing

Binary Fortress Software — Fri, 09 Oct 2026 20:40:05 GMT

Here's a test build for the next beta if you'd like to give it a try for this issue: https://www.binaryfortress.com/Data/Download/?Package=clipboardfusion&Beta=1&TEST11=1&Log=0

Thanks!

DisplayFusion 12.2 (Beta 3) Now Available!

Binary Fortress Software — Fri, 09 Oct 2026 20:30:36 GMT

We're very excited to announce that DisplayFusion 12.2 (Beta 3) is now available for download! This beta is the next for the upcoming 12.2 version. It fixes many issues, improves performance in many areas, and has some UI improvements. Update for free today and help us test before the final 12.2 release. Thanks!

DisplayFusion 12.2 (Beta 3) Changes

Fix: Resolved a TitleBar Button image migration issue
Fix: Resolved an Alt+Tab crashing issue

Updating DisplayFusion

We encourage everyone to update to this new beta version today to take advantage of these improvements. If you've already purchased DisplayFusion, it's a lifetime license, so you can upgrade to this version at no cost! If you would like to see a complete list of all the changes, please visit the DisplayFusion beta change log. Thank you to everyone who is helping to test these beta versions, your feedback is what makes DisplayFusion so amazing. We would also like to thank all of the translators who have helped translate DisplayFusion to their native languages. Thanks everyone!

RE: First time function activation delay

Binary Fortress Software — Fri, 09 Oct 2026 19:21:43 GMT

log

RE: Bug report: Monitor fading stacks every time you change display properties

Binary Fortress Software — Fri, 09 Oct 2026 18:37:01 GMT

Could you try the following?

1. Download Window Inspector: https://www.binaryfortress.com/WindowInspector/
2. When you're having the issue, open Window Inspector and click "Show Parent Tree"
3. Expand the DisplayFusion Process
4. Send a screenshot showing all windows open under that process

Thanks!

RE: Column arrangement in settings broken in 7.2

Binary Fortress Software — Fri, 09 Oct 2026 18:18:51 GMT

I was able to reproduce that here so I've added it to our list to look into.

Thanks!

(Feature Request) Monitor Fading: Separate Fade and Unfade Time

Binary Fortress Software — Fri, 09 Oct 2026 18:00:32 GMT

In my setup I have three displays: a primary monitor, a secondary monitor, and a TV. I have monitor fading exclusively on my primary monitor in the "Fade non-current monitor(s) by mouse cursor mode" at %100 opacity and the fade time set to 20 seconds so that I have some time to do multitasking between my primary and secondary monitor whilst allowing the monitor to automatically fade to black while using the TV for extended periods of time, as to not burn in my primary monitor. I would like to have the fade time set higher so that my monitor does not dim while just multitasking between my primary and secondary but the issue arises that since the monitor takes an equal amount of time unfade it would therefore take an inordinate amount of time for my monitor to recover to peak brightness. I suggest the addition of "Unfade Time" setting for the monitor fading function so that I can have my monitor unfade at a faster rate when I desire to use it.

Thank you for the excellent software and continuous support, I hope you will find value in my request.

RE: Feature request: Jpeg XL support for wallpapers

Binary Fortress Software — Fri, 09 Oct 2026 17:40:37 GMT

The official extension is for Win11 and I am on Win10 so I can't install that, but it is none the less working! Thank you!
I do have a 3rd-party jxl thumbnails thing installed that I am guessing might do similar hooks/support as the official one does: https://github.com/selpats/jxl-winthumb

I did get one issue that might not be directly related, applying wallpaper settings have gotten far slower this version.
Downgraded to 12.1.1 to compare, only using png images to be consistent across the versions, and it goes from under 10 seconds in 12.1.1 to about a minute and half in 12.2 beta 2.
The reason seems to be added overhead per image loaded. I have currently 134 images for my slideshow, and if I instead use single+single instead of single+slideshow on my two monitors it loads in <10 seconds, so the raw number of images seems to be the culprit where it wasn't an issue before.

RE: DisplayFusion can't properly enable my monitor when switching profiles.

Binary Fortress Software — Fri, 09 Oct 2026 17:30:23 GMT

I think this might be a bit too much and some might be already be implemented or partially implemented, so please feel free to correct me there.
I think this is whats currently missing:

1. Monitor Detection and Identification
WaitForMonitorReady()

Waits until a specific monitor is detected, enabled, and operating with a valid display mode. Supports configurable timeouts and returns a clear result indicating whether the monitor is ready, disconnected, or timed out.

This would be particularly useful when switching display profiles, as monitor activation can take several seconds.

GetMonitorDeviceInfo()

Returns detailed hardware and connection information for a monitor, including its model, manufacturer, serial number (when available), device path, connection type, adapter information, and current display mode.

This would allow scripts to identify monitors reliably instead of relying exclusively on DisplayFusion monitor IDs, which may change between configurations.

GetMonitorConnectionState()

Returns the current state of a monitor, distinguishing between connected and enabled, connected but disabled, disconnected, and unavailable or unknown states.

This would make it easier to diagnose why a monitor is not active after switching profiles.

GetMonitorCapabilities()

Returns the available capabilities and supported display modes of a monitor, including resolutions, refresh rates, HDR support, and color depth when available.

This would allow scripts to validate display configurations before applying them.

2. Monitor Enable/Disable and Configuration
SetMonitorEnabled()

Enables a specified monitor programmatically and returns a result indicating whether the operation succeeded.

The function should support reliable monitor identification and provide useful error information when Windows or the graphics driver cannot activate the display.

SetMonitorDisabled()

Disables a specified monitor programmatically, allowing scripts to switch between desktop and gaming configurations without relying on manual interaction with Windows Display Settings.

SetPrimaryMonitor()

Sets a specified monitor as the primary display and confirms whether the change was successfully applied.

SetMonitorResolutionAndRefreshRate()

Sets the resolution and refresh rate of a specific monitor, optionally including color depth and HDR settings where supported. The function should verify the resulting display mode instead of merely reporting that the request was submitted.

ApplyMonitorLayout()

Applies a complete saved monitor layout, including monitor positions, primary display, resolution, refresh rate, and orientation.

Ideally, the function would validate the requested configuration, apply the available changes, and report any settings that could not be applied.

3. Display Topology and Multi-Monitor Groups
GetDisplayTopology()

Returns information about the current Windows display topology, such as extended desktop, duplicated displays, and grouped or combined display configurations where detectable.

This would help scripts determine whether Windows is treating the displays as separate monitors or as a single combined display.

GetDisplayGroupInfo()

Returns information about grouped displays created by technologies such as AMD Eyefinity, when the relevant information is exposed by the graphics driver or Windows.

Useful information would include group membership, total resolution, display arrangement, and whether the group is currently active.

GetScreensWithSplits() — Extended Information

It would be useful to extend the existing screen information functions with more details about the underlying physical monitors, their device paths, and their relationship to grouped display configurations.

This would help distinguish between logical screens and the physical monitors connected to the system.

4. Configuration Refresh and Event Handling
RefreshMonitorConfiguration()

Refreshes DisplayFusion's monitor configuration information after a display change, monitor activation, or graphics driver reconfiguration.

The function should return the updated state and avoid relying on stale cached information.

WaitForDisplayChange()

Waits for a specific display configuration change, such as a monitor becoming enabled, a resolution changing, or the display topology being updated.

This would be more reliable than using fixed delays in scripts, since display changes can take different amounts of time depending on the system and graphics driver.

GetDisplayTopologyChangedEvent()

Provides an event or callback mechanism that allows scripts to react when the display topology changes, a monitor disconnects, or the active monitor configuration is modified.

This could be useful for automatically recovering from unexpected monitor disconnections.

5. Configuration Backup, Validation, and Recovery
GetMonitorConfigSnapshot()

Creates a snapshot of the current monitor configuration, including enabled displays, display modes, positions, primary display, and topology information where available.

The snapshot could then be used to restore the previous configuration if a profile switch fails.

RestoreMonitorConfigSnapshot()

Restores a previously saved monitor configuration and reports which parts of the configuration could not be recovered.

TestMonitorConfiguration()

Checks whether a requested monitor configuration appears valid and supported before attempting to apply it.

This would help prevent scripts from applying invalid resolutions, unsupported refresh rates, or incompatible monitor arrangements.

ApplyMonitorConfigurationWithRollback()

Applies a monitor configuration while preserving the previous state. If the operation fails or the resulting configuration does not match the expected state, the function attempts to restore the previous configuration.

This would be particularly valuable when switching between desktop and multi-monitor gaming profiles.

GetLastMonitorError()

Returns detailed information about the most recent monitor configuration error, including the failed operation and the relevant Windows or graphics-driver error code when available.

This would make troubleshooting monitor scripts much easier than relying on a generic success/failure result.

6. Sim Racing and Triple-Monitor Automation
ApplyAndVerifyMonitorProfile()

A higher-level function that applies a monitor profile, waits for the monitors to become ready, verifies the resulting display topology and display modes, and reports whether the configuration matches the expected state.

For example, switching to a triple-monitor sim racing profile could involve enabling three monitors, verifying their resolutions and refresh rates, checking the resulting display arrangement, and confirming whether the expected combined display configuration is active.

If any step fails, the function could return a detailed error or optionally attempt to restore the previous configuration.

Disclaimer: AI was used to translate and better explain some functions since I'm not a native speaker, sorry if this looks too "ai slop looking" for some users, please bear with it!

Make DF taskbar show over maximized windows

Binary Fortress Software — Fri, 09 Oct 2026 16:30:28 GMT

So I have the taskbars set to auto-hide, and on the default windows taskbar, when I mouseover the bottom of the screen with a maximized window, the taskbar will still appear.

When I try the same with the multimonitor taskbar, it won't show.

How do I get it to behave the same way?

DF MM Taskbar overlapping Multiple Monitor RDP session

Binary Fortress Software — Fri, 09 Oct 2026 16:29:07 GMT

I use 2 of my 3 monitors for an RDP session. I have a vertical DF taskbar on Monitor 1, and horizontal DF taskbars on Monitors 2 and 3.

When the fullscreen RDP is open on/across monitors 2 and 3, one of those monitors will have the DF taskbar overlapping it. See attached image.

RE: Feature request: Jpeg XL support for wallpapers

Binary Fortress Software — Fri, 09 Oct 2026 16:19:52 GMT

We've released a new beta that adds detection for this, you'll need to download this extension first from the Microsoft Store: https://apps.microsoft.com/detail/9mzprth5c0tb?hl=en-US&gl=CA

If you run into any issues after updating, please let us know.

Thanks!

RE: First time function activation delay

Binary Fortress Software — Fri, 09 Oct 2026 16:17:11 GMT

We've released a new beta with some added logging, could you update and follow these steps?

On the DisplayFusion Settings > Troubleshooting tab, change the Logging drop-down to "L1: Log Minimal" and then click "Clear Log"
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

RE: Astronomy Picture of the Day from NASA

Binary Fortress Software — Fri, 09 Oct 2026 16:08:01 GMT

We've released a new beta that should fix this up, please let me know if you run into any issues after updating.

Thanks!

DisplayFusion 12.2 (Beta 2) Now Available!

Binary Fortress Software — Fri, 09 Oct 2026 15:53:39 GMT

We're very excited to announce that DisplayFusion 12.2 (Beta 2) is now available for download! This beta is the next for the upcoming 12.2 version. It fixes many issues, improves performance in many areas, and has some UI improvements. Update for free today and help us test before the final 12.2 release. Thanks!

DisplayFusion 12.2 (Beta 2) Changes

Note: Removed Reddit login form from wallpaper plugin as they have removed the ability for third-party apps to do that. They are also now restricting RSS feeds, so the Reddit wallpaper source is still broken. We have submitted a request for approval to use their API, but it's unlikely to get approved, so the Reddit plugin may be removed from DisplayFusion soon.
Change: New Scripting Function: BFS.Window.GetWindowAtPosition
Change: Added support for JPEGXL wallpapers, requires JPEG XL Image Extension from Microsoft Store: https://apps.microsoft.com/detail/9MZPRTH5C0TB
Change: Added a hover tooltip to wallpaper paths in the Desktop Wallpaper window (helpful if the path is long enough to be truncated)
Change: New Monitor Fading mode: Fade non-current monitors by mouse cursor
Fix: Updated NASA APOD wallpaper source to their new API
Fix: Resolved an issue where taskbar buttons were sometimes not removed from the Windows taskbar
Fix: Roll-up to TitleBar Button function no longer increases window width
Fix: Resolved a pinned taskbar button ordering issue
Fix: iCUE tray icon now shows up on the DisplayFusion taskbar (this was fixed in the iCUEby Corsair)

Updating DisplayFusion