Knowing this will help me tell you if it's a security risk or a technical issue.
If this is an unexpected or suspicious file, it should be treated as a threat and scanned using security software. Protective Actions (If this is a suspicious file) Do Not Open: Avoid double-clicking the file. 2493mp4
Suspicious samples can be sent to security companies like Kaspersky or ESET. Knowing this will help me tell you if
Use VirusTotal.com to analyze the file securely. 2493mp4
Configure Windows File Explorer to "Show file extensions" to reveal the true file type.