If the file is unusually small (e.g., only a few MBs for what should be a full movie), it is likely malware or a link to a malicious site. :
Before attempting to open this file, be aware of the following: THE MAID.mp4.mkv.mp4
On Windows, open , go to View > Show , and ensure File name extensions is checked. This will reveal if the very last part of the name is actually something else, like .exe or .bat . Scan with Antivirus : If the file is unusually small (e
If you still intend to use the file, follow these steps to ensure your system remains safe: : go to View > Show