Buenas

Si utilizais Powerdvd quizá el problema sea ése, el Powerdvd. La versión 6, salió con ciertos bugs que se corrigieron con este parche Click.
Cita Iniciado por Cyberlink Corp.
The patch is relevant for users who had problems with:

Audio

* Problems occurred when applying advanced audio setting in configuration
* Heard noise while playing DTS 96KHz/24bit and when switching to CLVS or DVS
* Audio repitition issues after switching to 6 or more speakers
* Audio signals dropping or program hangs when selecting 8 speakers while using ProLogic IIx effect

Video

* Could not apply pan, scan and digital zoom function while playing DivX files
* Combining M2V files which resulted in difficulty in playing the file
* Capturing frames continuously might result in some frames not being saved
* Displaying multi-language subtitles in Win98 SE / ME
* Closed captions not displayed when clone mode settings were applied

Playback

* Slow startup while playing H.264 files
* Jumped to wrong starting point when playing DVD-VR backwards
* Unable to turn off subtitles
* Subtitles overlapping when displaying dual subtitles
* A black line appearing while applying CLEV-2 with CLPV on DVD titles
* Repeat track feature malfunction when playing DVD-Audio files
* The Express menu displaying titles/chapters incorrectly when playing DVD-VR discs
* Video displaying incorrect aspect ratio on WMV-HD titles

Improved features:

* Playback: Allows user to enable secondary subtitles in spite of UOP (user operation prohibit on the DVD title)
Saludos