If you’re looking for a (no installation required, can run from USB drive), here are safe, well-known alternatives:
Playing your own legally purchased DVDs is protected under in most jurisdictions. However, bypassing CSS encryption (the copy protection on commercial DVDs) technically violates the DMCA in the United States, even for personal use. wwwdvdplaywp portable
If you are searching for a "portable app" version of these sites, you might be handing your data over to hackers. Malicious apps often ask for unnecessary permissions (contacts, SMS, location) which are then sold to third parties. If you’re looking for a (no installation required,
For those using laptops without internal disc drives, "portable" often refers to software like VLC Media Player Portable. can run from USB drive)