VLC Media Player at
www.videolan.orgI've been using this for about three weeks and have tested it with everything that I've got, it even plays DVDs that I've recorded and it doesn't have to go searching the Internet for codecs or anything else.
I have a new High Definition multi-media laptop with Dolby SRS sound. To start playing movies and a few other things I found that I had to pay money to one of the software suppliers, got it all free from videolan and it works real well. I'll be making a donation.