For more severe corruption where free tools fail, dedicated AI-based repair software can often reconstruct missing video frames. EaseUS Video Repair
ffmpeg -i nekopoigobaku021080pmp4 -c copy repaired.mp4 nekopoigobaku021080pmp4 fix install
Be cautious of sites that ask you to download a specific "installer" or "exe" to watch a video file. A standard .mp4 should never require an .exe to run. If a site tells you to "Install the nekopoi player," it is likely malware. Stick to VLC or K-Lite. For more severe corruption where free tools fail,
FFmpeg is the gold standard for video repair. This works even if the file has missing keyframes. nekopoigobaku021080pmp4 fix install