Look at the "Date Modified" in your file explorer to see if it matches a specific event or time you were using your camera. 2. Scan for Malware
The file might be corrupted or renamed incorrectly. Try changing the extension to .mkv or .mov to see if it triggers a different codec.
Highly recommended because it has its own codecs and doesn't rely on system-wide vulnerabilities.
: Temporary files from browsers or "blob" data from social media sites.