If you encounter this error while playing local files in media players like VLC or Windows Media Player, you likely lack the proper decoding framework.
Scroll down to the Files section and look for . Change the dropdown menu setting to Always fix . Click Save and attempt to open your video. Option B: The Transcoding Method (For MP4, MOV, and MKV)
Many hidden cameras use infrared LEDs for night vision. While these LEDs are invisible to the naked eye, they are visible to digital camera sensors. and scan the room in the dark. If you see a small, bright pink, purple, or white light appearing on your screen that is not visible to your eyes, you have likely found an IR source, which is a tell-tale sign of a hidden camera.