The 720p NF WEB-DL is usually encoded in x264. Many scene groups have since released an x265 version of this same movie at half the file size with no sync issues. If the "FIX" didn't work, abandon the 720p and grab the 1080p HEVC version instead.
Multi is a desirable tag because it indicates multiple audio tracks (e.g., original English 5.1 + dubbed Spanish + commentary) and multiple subtitle streams (e.g., English, French, German, Arabic).
A “fix” for a Multi release might involve adding missing language tracks or replacing corrupted subtitle files. This is often done by repackaging the original video with corrected audio/subtitle assets.
Despite the name, users on various forums are complaining that the Movies4uVIP Hitman 2024 720p NF WEB-DL Multi Fix still suffers from: