If this is a DRM issue, ensure the machine is authorized. Open Apple Music or iTunes . Go to Account > Authorizations > Authorize This Computer . Log in with the Apple ID used to purchase the file.
The "Laxmi" administrator account may have set "Read/Write" restrictions on specific directories, preventing the file from being modified or moved. laxmi won t let mamp4
For standard MP4s being blocked by media players, use a tool like Handbrake to re-encode the file into a more widely accepted format like MKV. If this is a DRM issue, ensure the machine is authorized
M4P files are protected. If the "Laxmi" account lacks the required Apple ID authorization, it will block playback or transfer. If this is a DRM issue