G60329.mp4 -

: If your default player fails, use VLC Media Player which includes its own codecs to play almost any video format. 2. Fixing Import and Playback Errors

: Software often gets "stuck" on old file data. Go to Preferences > Media Cache and delete all files. g60329.mp4

If the file is corrupt or uses an unsupported codec (like HEVC/H.265 on older systems), you should it. This converts the "filling" of the file into something more compatible. Can't import MP4 files. - Adobe Community : If your default player fails, use VLC

: Right-click the file and select Open with > Windows Media Player or Movies & TV . : If your default player fails