<![CDATA[Kinovea - Forums]]> 2026-08-13T10:32:37Z PunBB https://www.kinovea.org/en/forum/index.php <![CDATA[Newbie help with lens calibration]]> Hiya, I’m evaluating Kinovea to see if it will do a specific job for my research. I’m using a GoPro and want to do the lens calibraton. I see from an earlier post on this forum that the way to do this now is via Lens Calibration Mode.

When I reach this point, with my filmed checkerboard visible, I find…
- on the Video menu Lens Calibration is greyed out
- on the tools menu I can get to lens calibration mode but what do I do next??! There’s nothing evident, no pop-ups or prompts and nothing useful when I right click.

Some really basic next steps would be super-helpful. Thanks in advance

Andy

]]> https://www.kinovea.org/en/forum/profile.php?id=105776 2026-08-13T10:32:37Z https://www.kinovea.org/en/forum/viewtopic.php?id=2386&action=new <![CDATA[Opening the programme]]> I cannot open the programme on my laptop which is now using Windows 11. It starts to open and then disappears. Any suggestions please? Never had an issue with previous version.

]]> https://www.kinovea.org/en/forum/profile.php?id=105601 2026-08-10T10:12:32Z https://www.kinovea.org/en/forum/viewtopic.php?id=2384&action=new <![CDATA[Working zone never cached in replay observer, playback speed steps dow]]> Hi Joan,

I just upgraded from 2023.1.1 to 2025.2 and am experiencing an issue where the replay speed steps down after every capture.  I didn't experience this in 2023.1.1.  (By the way, thanks for including a setting to set the capture camera as Armed on startup - that was a request of mine many months ago.)

This may be the reproduction case for what bnord reported in the 2025.1 thread (posts #5 and #7). Same symptom, but on hardware that is clearly not resource limited, and with the playback cache configured but apparently never used. The cache part seems like the more useful signal.

SYSTEM

Kinovea 2025.2.0
Windows 11
AMD Ryzen 7 5800X (8 core, 3.8 GHz)
16 GB RAM
NVIDIA RTX 3070
All windows displayed on a single 60 Hz TV

SETUP

Golf simulator. Four separate Kinovea instances: two capture (face-on and down-the-line), two playback running as replay folder observers. Each camera writes to its own local folder. Storage is a local drive, not cloud synced. No default annotation file for capture or playback.

CAMERAS

Both identical: 1280x720 @ 100 fps, MJPG, DirectShow.

Capture infobar during recording, both instances:
Signal: 98.71 and 98.83 fps
Throughput: 336 and 386 MB/s
Load: 0%
Drops: 0

SETTINGS

Capture > General: Record uncompressed unchecked, MP4, display framerate 20
Capture > Memory: delay buffers 1021 MB
Capture > Recording: Delayed, threshold 99, replacement framerate 60
Capture screen: delay 1.50 s, duration 2.50 s
Playback > Memory: cache 2998 MB per playback screen

PRIMARY ISSUE: THE WORKING ZONE NEVER CACHES

Kinogram is greyed out on every clip, which I understand means the working zone did not load into memory.

It should fit comfortably. Throughput divided by frame rate gives roughly 3.7 MB per frame (1280 x 720 x 4 bytes). A 2.5 second clip at 100 fps is 250 frames, about 925 MB. The cache is set to 2998 MB per playback screen, and since these are separate instances each should get its own full allocation.

Task Manager with all four instances running and videos loaded:

Kinovea 138.5 MB, 7.9% CPU
Kinovea 127.8 MB, 8.3% CPU
Kinovea 141.9 MB, 7.0% CPU
Kinovea 132.1 MB, 7.6% CPU

System memory 62% total, CPU 43% total (includes GSPro and a browser). Each instance holds around 135 MB against a permitted 2998 MB, with several GB free system wide.

So the cache is configured, memory is available, the clip should fit, and nothing loads. If frames were being decompressed in advance I would not expect the player to fall behind at all on this hardware.

SECONDARY ISSUE: SPEED STEPS DOWN

The speed slider steps down roughly 5% at a time across successive recordings in the replay observer. It does not recover. Before a clean reinstall it would reach 0% and stop playing. After the reinstall it settles rather than bottoming out, but still drifts down over a session.

The effect scales with declared framerate. At replacement framerate 15 playback is completely smooth and stable with no stepping. At 40 and above it steps down. This looks proportional to rendering load, which is consistent with frames being decoded live rather than served from cache.

RULED OUT

Full uninstall and clean reinstall of 2025.2.0, no change to the caching behavior
Working zone trimmed to roughly one second, still would not cache
Record uncompressed unchecked, output confirmed .mp4 rather than .mkv
Separate local output folders per camera, neither cloud synced
No default annotation file
Display framerate reduced to 20
Capture side clean: 0% load, 0 drops on both cameras
CPU and RAM not saturated

Happy to run any test, or send logs or a sample file.

Thanks for the continued work on 2025.x.

]]> https://www.kinovea.org/en/forum/profile.php?id=27965 2026-08-09T17:51:54Z https://www.kinovea.org/en/forum/viewtopic.php?id=2383&action=new <![CDATA[Replay speed]]> The replay speed slider on occasions has a mind of its own and slowly makes its way down to ZERO playback speed. Can this please be fixed as operators sometimes miss this and then shout "its not working"

]]> https://www.kinovea.org/en/forum/profile.php?id=11975 2026-07-21T09:02:57Z https://www.kinovea.org/en/forum/viewtopic.php?id=2382&action=new <![CDATA[Larger / adjustable Font size]]> Can we have the font size larger for the registration number shown against the recording in the replay screen, top right corner. We use this number as a record against an athlete in a competition, in case they protest about a decision. The person recording has to write down the numbers but as its small it can be difficult to read.

]]> https://www.kinovea.org/en/forum/profile.php?id=11975 2026-07-21T09:00:01Z https://www.kinovea.org/en/forum/viewtopic.php?id=2381&action=new <![CDATA[MacOS support]]> Is it possible for kinovea to have a macOS version as I really need it for my math IA

]]> https://www.kinovea.org/en/forum/profile.php?id=103835 2026-07-20T06:03:34Z https://www.kinovea.org/en/forum/viewtopic.php?id=2380&action=new <![CDATA[Video timeline cuts off/skips final frames during playback (Decoder mi]]> Kinovea Version: 2025.2
OS: Windows 11 (64-bit)

Description:
When importing standard H.264 MP4/MKV video files, Kinovea miscalculates the total frame count and cuts off/loops the video before reaching the physical end of the clip.

VLC and QuickTime play the full clip perfectly (e.g., 9 seconds/237 frames).

Kinovea imports the same video but stops rendering frames prematurely (e.g., cuts off at frame 220/9.38s), meaning final actions are entirely skipped.

Adjusting container formats or re-encoding does not always resolve the issue, suggesting a bug in the underlying video decoding library's frame handling.

]]> https://www.kinovea.org/en/forum/profile.php?id=103653 2026-07-17T06:06:21Z https://www.kinovea.org/en/forum/viewtopic.php?id=2379&action=new <![CDATA[Kinovea vs SiliconCoach]]> Hey there experts!

I used Kinovea for the first time during some of my biomechanics units in undergrad, now I've a sports podiatrist I'm looking at using it at my current clinic to replace SiliconCoach which is 1. Expensive and 2. doesn't like to work very often.

I've tested Kinovea at the clinic and it works well with the occassional lag spike and non-responsiveness when trying to play back a just recorded video. For some of my less technologically-savvy colleagues it can be a bit daunting so my boss has got a few questions below:
1. How can I reduce the chance of lag when with patients?
2. Is it possible to do side-by-side video comparisons to look at shod vs unshod or compare different footwear and orthotics?
3. Are there any integrated capture tools for both image stills and videos that we could email off to sports teams or other practitioners effectively?

I'm fairly certain I know the answer to these questions but I'm hoping you guys could also give me some clearer explanations so I can be sure I don't miss anything.

At the moment we have a 4 camera setup and switch between the cameras to record patient's and that works really well with Kinovea though I'm not sure if the camera quality is as high.

Would it be possible to please treat me as a complete newbie and give me a bit of a rundown on how much more I can use it for and how to optimise it for a clinical setting? I'm reading through the manual as well but thought I'd post this here in case there is anyone who would also let me ask them some questions if I get stuck.

Thanks!

]]> https://www.kinovea.org/en/forum/profile.php?id=103646 2026-07-17T03:53:23Z https://www.kinovea.org/en/forum/viewtopic.php?id=2378&action=new <![CDATA[Unhandled crash after adding tracking to perspective grid]]> I'm using Kinovea to track particles of rock being ejected from a mining blast. However, if I add tracking to the perspective grid I am using for calibration, after the grid has been moved any additional tracking I try to complete causes the app to hard crash without an error message.

Repro:

1. Add a perspective grid and track it as the camera repositions.
2. Finish the perspective grid tracking once the camera has settled.
3. Being tracking other items in the video
4. Once enough time has elapses that the perspective grid tracking has finished, attempting to track anything else causes hard crash - no error message is shown.

This issue persists even after closing and reopening the application. Has anyone else experienced this, or is this a known issue with a work around?

**EDIT**

It has now given an error before crashing:

See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at Kinovea.ScreenManager.FilteredTrajectory.Initialize(List`1 samples, CalibrationHelper calibrationHelper)
   at Kinovea.ScreenManager.DrawingTrack.UpdateKinematics()
   at System.Threading.Tasks.Parallel.<>c__DisplayClass17_0`1.<ForWorker>b__1()
   at System.Threading.Tasks.Task.InnerInvokeWithArg(Task childTask)
   at System.Threading.Tasks.Task.<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0(Object <p0>)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Func`4 bodyWithLocal, Func`1 localInit, Action`1 localFinally)
   at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable`1 source, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Action`3 bodyWithStateAndIndex, Func`4 bodyWithStateAndLocal, Func`5 bodyWithEverything, Func`1 localInit, Action`1 localFinally)
   at System.Threading.Tasks.Parallel.ForEach[TSource](IEnumerable`1 source, Action`1 body)
   at Kinovea.ScreenManager.Metadata.UpdateTrajectoriesKinematics()
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at Kinovea.ScreenManager.CalibrationHelper.AfterCalibrationChanged()
   at Kinovea.ScreenManager.CalibrationHelper.CalibrationByPlane_Update(Guid id, QuadrilateralF quadImage)
   at Kinovea.ScreenManager.DrawingPlane.SetTrackablePointValue(String name, PointF value, Int64 trackingTimestamps)
   at Kinovea.ScreenManager.DrawingTracker.ObjectTrackingStep(DrawingTrack track, TimedPoint tp)
   at Kinovea.ScreenManager.TrackabilityManager.AfterTrackTrackingStep(DrawingTrack track, TimedPoint tp)
   at System.Threading.Tasks.Parallel.<>c__DisplayClass17_0`1.<ForWorker>b__1()
   at System.Threading.Tasks.Task.InnerInvokeWithArg(Task childTask)
   at System.Threading.Tasks.Task.<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0(Object <p0>)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Func`4 bodyWithLocal, Func`1 localInit, Action`1 localFinally)
   at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable`1 source, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Action`3 bodyWithStateAndIndex, Func`4 bodyWithStateAndLocal, Func`5 bodyWithEverything, Func`1 localInit, Action`1 localFinally)
   at System.Threading.Tasks.Parallel.ForEach[TSource](IEnumerable`1 source, Action`1 body)
   at Kinovea.ScreenManager.Metadata.PerformTracking(VideoFrame videoframe)
   at Kinovea.ScreenManager.PlayerScreenUserInterface.ComputeOrStopTracking(Boolean contiguous)
   at Kinovea.ScreenManager.PlayerScreenUserInterface.ShowNextFrame(Int64 _iSeekTarget, Boolean _bAllowUIUpdate)
   at Kinovea.ScreenManager.PlayerScreenUserInterface.buttonGotoNext_Click(Object sender, EventArgs e)
   at Kinovea.ScreenManager.PlayerScreenUserInterface.ExecuteScreenCommand(Int32 cmd)
   at Kinovea.Services.KinoveaControl.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData)
   at System.Windows.Forms.Control.PreProcessMessage(Message& msg)
   at System.Windows.Forms.Control.PreProcessControlMessageInternal(Control target, Message& msg)
   at System.Windows.Forms.Application.ThreadContext.PreTranslateMessage(MSG& msg)
---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at Kinovea.ScreenManager.FilteredTrajectory.Initialize(List`1 samples, CalibrationHelper calibrationHelper)
   at Kinovea.ScreenManager.DrawingTrack.UpdateKinematics()
   at System.Threading.Tasks.Parallel.<>c__DisplayClass17_0`1.<ForWorker>b__1()
   at System.Threading.Tasks.Task.InnerInvokeWithArg(Task childTask)
   at System.Threading.Tasks.Task.<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0(Object <p0>)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Func`4 bodyWithLocal, Func`1 localInit, Action`1 localFinally)
   at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable`1 source, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Action`3 bodyWithStateAndIndex, Func`4 bodyWithStateAndLocal, Func`5 bodyWithEverything, Func`1 localInit, Action`1 localFinally)
   at System.Threading.Tasks.Parallel.ForEach[TSource](IEnumerable`1 source, Action`1 body)
   at Kinovea.ScreenManager.Metadata.UpdateTrajectoriesKinematics()
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at Kinovea.ScreenManager.CalibrationHelper.AfterCalibrationChanged()
   at Kinovea.ScreenManager.CalibrationHelper.CalibrationByPlane_Update(Guid id, QuadrilateralF quadImage)
   at Kinovea.ScreenManager.DrawingPlane.SetTrackablePointValue(String name, PointF value, Int64 trackingTimestamps)
   at Kinovea.ScreenManager.DrawingTracker.ObjectTrackingStep(DrawingTrack track, TimedPoint tp)
   at Kinovea.ScreenManager.TrackabilityManager.AfterTrackTrackingStep(DrawingTrack track, TimedPoint tp)
   at System.Threading.Tasks.Parallel.<>c__DisplayClass17_0`1.<ForWorker>b__1()
   at System.Threading.Tasks.Task.InnerInvokeWithArg(Task childTask)
   at System.Threading.Tasks.Task.<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0(Object <p0>)
---> (Inner Exception #0) System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at Kinovea.ScreenManager.FilteredTrajectory.Initialize(List`1 samples, CalibrationHelper calibrationHelper)
   at Kinovea.ScreenManager.DrawingTrack.UpdateKinematics()
   at System.Threading.Tasks.Parallel.<>c__DisplayClass17_0`1.<ForWorker>b__1()
   at System.Threading.Tasks.Task.InnerInvokeWithArg(Task childTask)
   at System.Threading.Tasks.Task.<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0(Object <p0>)<---
<---



************** Loaded Assemblies **************
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Kinovea
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Kinovea.Video.FFMpeg
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NAudio.Core
    Assembly Version: 2.2.1.0
    Win32 Version: 2.2.1.0
    CodeBase: file:///C:/Program%20Files%20(x86)/Kinovea/NAudio.Core.DLL
----------------------------------------
OpenCvSharp.Extensions
    Assembly Version: 1.0.0.0
    Win32 Version: 1.0.0.0
    CodeBase: file:///C:/Program%20Files%20(x86)/Kinovea/OpenCvSharp.Extensions.DLL
----------------------------------------

************** JIT Debugging **************
To enable just-in-time (JIT) debugging, the .config file for this
application or computer (machine.config) must have the
jitDebugging value set in the system.windows.forms section.
The application must also be compiled with debugging
enabled.

For example:

<configuration>
    <system.windows.forms jitDebugging="true" />
</configuration>

When JIT debugging is enabled, any unhandled exception
will be sent to the JIT debugger registered on the computer
rather than be handled by this dialog box.

The crash is logged in the Window Event Viewer as the below:

Faulting application name: Kinovea.exe, version: 2025.2.0.0, time stamp: 0x69bea7bf
Faulting module name: ntdll.dll, version: 10.0.26100.8521, time stamp: 0xccc028d4
Exception code: 0xc0000374
Fault offset: 0x0000000000112265
Faulting process id: 0x1158
Faulting application start time: 0x1DD0A9A37E429FE
Faulting application path: C:\Program Files (x86)\Kinovea\Kinovea.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report Id: e035571b-f27e-46af-a383-eef1aab1f545
Faulting package full name:
Faulting package-relative application ID:

From the log file:

18561 - ERROR - [Main] - PlayerScreenUserInterface - Error while painting image.
75403 - ERROR - [PreBuffering] - VideoReaderFFMpeg - Frame not read in the middle of the working zone. Reached timestamp:[-1], in [0 --> 3504529].
75410 - ERROR - [Main] - PlayerScreenUserInterface - Painting screen - no image to display.
105262 - ERROR - [PreBuffering] - VideoReaderFFMpeg - Frame not read in the middle of the working zone. Reached timestamp:[-1], in [0 --> 3504529].
105269 - ERROR - [Main] - PlayerScreenUserInterface - Painting screen - no image to display.
106695 - ERROR - [PreBuffering] - VideoReaderFFMpeg - Frame not read in the middle of the working zone. Reached timestamp:[-1], in [0 --> 3504529].
106702 - ERROR - [Main] - PlayerScreenUserInterface - Painting screen - no image to display.
816183 - WARN  - [Main] - DrawingTracker - Moving tracked object by hand.
816184 - WARN  - [Main] - DrawingTracker - Moving tracked object by hand.
1393640 - ERROR - [Main] - PlayerScreenUserInterface - Error while painting image.

]]> https://www.kinovea.org/en/forum/profile.php?id=103235 2026-07-03T04:15:51Z https://www.kinovea.org/en/forum/viewtopic.php?id=2377&action=new <![CDATA[error save picture]]> Hello,

I'm unable to save the images. Every time I try, I receive an error message, and the download doesn't complete.

Could you please help me resolve this issue?

Thank you.

Consultez la fin de ce message pour plus de détails sur l'appel du débogage
juste-à-temps (JIT) à la place de cette boîte de dialogue.

************** Texte de l'exception **************
System.ArgumentException: Caractères non conformes dans le chemin d'accès.
   à System.IO.Path.CheckInvalidPathChars(String path, Boolean checkAdditional)
   à System.IO.Path.Combine(String path1, String path2)
   à Kinovea.ScreenManager.Filenamer.GetFilePath(String root, String subdir, String filename, String extension, Dictionary`2 context)
   à Kinovea.ScreenManager.CaptureScreen.MakeSnapshot()
   à Kinovea.ScreenManager.CaptureScreenView.BtnSnapshot_Click(Object sender, EventArgs e)
   à System.Windows.Forms.Control.OnClick(EventArgs e)
   à System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
   à System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   à System.Windows.Forms.Control.WndProc(Message& m)
   à System.Windows.Forms.ButtonBase.WndProc(Message& m)
   à System.Windows.Forms.Button.WndProc(Message& m)
   à System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


************** Assemblys chargés **************
mscorlib
    Version de l'assembly : 4.0.0.0
    Version Win32 : 4.8.9325.0 built by: NET481REL1LAST_25H2_C
    CodeBase : file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/mscorlib.dll
----------------------------------------
Kinovea
    Version de l'assembly : 0.9.5.0
    Version Win32 : 0.9.5.0
    CodeBase : file:///C:/Program%20Files/Kinovea/Kinovea.exe
----------------------------------------
(shortened for clarity)

]]> https://www.kinovea.org/en/forum/profile.php?id=103216 2026-06-30T20:04:20Z https://www.kinovea.org/en/forum/viewtopic.php?id=2376&action=new <![CDATA[No option in ver. 9.5 to export video only?]]> I've been using Kinovea for a couple of years, but now returning to it after not needing it for a while, so I may be doing something wrong.   Currently running version 9.5.

I've recorded some activity in slow motion on my phone, with NO annotations, comments or drawings, transferred it to my computer, and then used Kinovea set a Working Zone prior to exporting. To the best of my memory, this is the way I've always done it.  The result today is a HUGE file that I cannot use because of its size.   I've read the documentation repeatedly, and looked online for help.   There is mention of a "Save video only" option in the export dialog, but regardless of how I reach that point, whether "File/Export Video" or right click on the trimmed video in the player screen, or select the middle icon in the Export Toolbar, I am not presented with any option to "Export video only".   I've also tried selecting the box for "Take slow motion into account" and I get the same result whether that is selected or not.

The REALLY weird thing is that as recently as last week, I was able to export a trimmed video with no annotations and no drawings or comments, and the result was a much smaller file.   I have never had to compress the file to get the desired result.

I have not (at least, INTENTIONALLY) changed any options, and I get the same results on both of the two computers I use for Kinovea.

So I feel like I must be doing something wrong, but with apologies, I'm going to request some guidance....

Any help appreciated.

Thanks

]]> https://www.kinovea.org/en/forum/profile.php?id=103215 2026-06-30T16:46:22Z https://www.kinovea.org/en/forum/viewtopic.php?id=2375&action=new <![CDATA[version 0.9.6]]> Hello,
I am looking for the Kinovea 0.9.6 (64-bit) version, because it is the last stable release that includes RTSP support (Camera → Add IP Camera (RTSP)).
The recent 2025.x versions do not seem to include this module, and 0.9.6 is no longer available in the official archives.

If someone still has the installer or a working download link, I would be very grateful.

Thank you!

]]> https://www.kinovea.org/en/forum/profile.php?id=103144 2026-06-20T13:25:38Z https://www.kinovea.org/en/forum/viewtopic.php?id=2374&action=new <![CDATA[Kinovea will not open on Windows 11 Enterprise 25H2]]> I installed Kinovea 2025.2 in a Windows 11 Enterprise 25H2 environment, but it will not open.  When I attempt to open it, the "Kinovea" splash screen appears, then disappears, then nothing further happens.  The application never opens.  I then tried installing Kinovea 2023.1.2 (which I have installed and working properly in a Windows 11 Enterprise 24H2 environment). The result was the same: splash screen appears, then disappears, but the application never opens.  Is Kinovea compatible with 25H2? (.NET Core 8.0.28 is installed. .NET Framework 4.8 is not listed as installed. However, when I attempt to install it, I get a message saying it is already installed. [So, it's included in .NET Core 8?]) Any help would be greatly appreciated. Thanks.

]]> https://www.kinovea.org/en/forum/profile.php?id=103096 2026-06-15T20:20:37Z https://www.kinovea.org/en/forum/viewtopic.php?id=2373&action=new <![CDATA[v 2025.2 does ot open all my video files]]> I have recently tried to go from 2025.1 to 2025.2 but find 2025.2 does not open all my video files (like 2025.1 did).  For some files there is a continuous blue line next to the red indicator and no action is possible.  These files were all generated by the same IP camera.  2025.2 does appear to fix some tracking bugs so I would really like to use it.

]]> https://www.kinovea.org/en/forum/profile.php?id=12570 2026-06-13T00:37:48Z https://www.kinovea.org/en/forum/viewtopic.php?id=2372&action=new <![CDATA[Video playback speed]]> Hi,

I need to analyse continuous x-ray images as part of my work. I previously would analyse them in VLC with nil major difficulties however there was no option to move backwards frame by frame. This brought me to Kinovea.

I downloaded Kinovea today to test the video analysis and I've found they're playing at double speed. The x-rays themselves run at 30 fps but when uploading them to Kinovea they are playing back at 59.94 fps. When I checked the video files themselves, I realised they're saved at 59.94 fps, but when putting the same file back into VLC it plays with nil difficulties.

I thought adjusting the time calibration would fix this, but it just changes the time it's saved as.

Am I missing anything? Is there a quick fix?

Cheers

]]> https://www.kinovea.org/en/forum/profile.php?id=102947 2026-06-02T06:21:59Z https://www.kinovea.org/en/forum/viewtopic.php?id=2367&action=new