dvd shrink 3.2 and Nero 8.3.2.1 problem

Hello guys

I'm a quite experienced user of dvd shrink and nero I got around 200 dvd that I burned already on windows xp ... but I need your help...

I got an new portable toshiba p300 work perfectly on vista ... and I installed the new nero and dvd shrink 3.2 ... after and try to burn a movie ... the dvd was burned perfectly and works perfectly on computer's dvd player ... but when I tried on 2 different home dvd player , it's doesn't work ...

I tried :

1- to burn more slowly = same result

2- to uncheck the option burn at least 30 mm in dvd shrink the burn settings menu = same result

dvd brand : buddle of 100 TDK Dvd-r 4.7 gb
Movie : Charlie Wilson's War , Shattered

thanks for your help
have a nice day