When recording video with iVCam, sometimes you may encounter program crashes or other reasons that cause the recorded video to be corrupted and unplayable.
You can try to repair the corrupted video using the video repair tool Untrunc.
How to use
Unzip the Untrunc package to a directory, run the untrunc-gui.exe file in it, and operate as follows:
Hopefully you will get the repaired and playable video.