From the brief information you have provided on your â€˜DVD Freezingâ€™ problem the most likely cause of your â€˜DVD Freezingâ€™ problem is caused by the use of poor quality problematic Media.
Extra Computer Memory is always a good thing to have and if you have the money it will not hurt but as stated previously the most likely cause of your â€˜DVD Freezingâ€™ problem is caused by the use of poor quality problematic Media.
Taiyo Yuden and Verbatim Media is known proven high quality error free Media and should not cause any Media related issues.
On the other hand Memorex and Ritex Ridata Media are known to been poor quality problematic Media.
Stick with Taiyo Yuden Media and you not have any Media related issues.
As a â€˜Quality Assuranceâ€™ procedure to ensure your Clients Wedding Videos are â€˜Freeze Freeâ€™ suggest using a diagnostic software program similar to N e r o CD DVD Speed (http://www.cdspeed2000.com/files/NeroCDSpeed_47716.zip) and perform a ScanDisc surface scan on the burned Wedding Video Media Disc prior to giving to your Clients. If the Nero CD DVD ScanDisc surface scan reveals ANY Yellow Damaged and/or Red Bad sectors indicates that is particular Disk is a â€˜defectiveâ€™ poor quality â€˜Bad Burnâ€™ and this particular Video Disk will mostly cause viewing/playback issues. A quality error free Burned Media Disk should not contain ANY Yellow Damaged and/or Red Bad sectors â€“ if it does contain ANY Yellow Damaged and/or Red Bad sectors it was a â€˜defectiveâ€™ poor quality Bad Burn and will mostly like cause viewing/playback issues.