i cannot play any dvds i go to menu nothing happens i open the vob file it freezes

To play (un-encrypted) DVD's you would need an MPEG2 decoder.
Did you allow BS.Player to internally install the codecs/filters it needs? BS.Player Pro can't play DVDs
Are we talking BS.Player Pro or Free version? Can't click on play (of DVD menu)

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thanks for the reply yes i did it asked if i wanted to install stuff i went to yes it installed ac3 filter or something i updated my codec pack yesterday and its bs player free maybe bs player cannot play dvd's these are real dvds not boodleg not pirated straight from the shop

Hello,

If you look here it says that the free version doesn't play DVD. DVD support (mpeg2 codecs required))

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My English is not so good but i do my best.

Did you try as indicated in post first referred to in the first linked post in my answer:Further re "I updated my codec pack yesterday" please note that since you previously instructed/allowed BS.Player to install codecs/filters "internally" to BS.Player, the player will still look for those codecs/filters in its internal folders, so "updating a codec-pack" (especially the word pack makes me shiver) doesn't do anything much. (On this, i.e. "BSPLAYER'S LOCAL CODECS", you might well read Grendizer's post "codecs" as also mentioned (3rd line) in the first post linked to in my answer, taking note of the fact that the application "bspcodecdl.exe" he referres is is named "codecmanager.exe" at present).
With respect to Darkling's reaction: please refer to the second link as provided in my previous answer.

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Help2Help (click) BSplayer: simply the best & most versatile (Build 1072 Dutch language here!)
When posting always mention your computer's OS and the version and build number(!) of BS.Player as used by you,
as well as - if applicable and especially when encountering problems - the type(s) of the file(s) mentioned in your post.
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i reinstalled bs player it installed the codec i needed the decoder the buffy dvd loads i get that message that it is illeagal to download etc etc than it freezes! tho when i play it with mpc it works its bs player do i have to go pro i refuse to pay for a program

Did you read this post (in the thread I already linked to previously):
Can't click on play (of DVD menu)?

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Help2Help (click) BSplayer: simply the best & most versatile (Build 1072 Dutch language here!)
When posting always mention your computer's OS and the version and build number(!) of BS.Player as used by you,
as well as - if applicable and especially when encountering problems - the type(s) of the file(s) mentioned in your post.
Private messages/Visitor messages are NOT for seeking personal help with respect to BS.Player! Instead use the forums!