hi
when i want to print my material to disc using " burn to disc"
this option is freezed and i could not be able to do it like in the attached picture to see the problem
change your project settings to dvd compliant one. If you edit in HD you can either use a preset thats HD 60i or 30p over 60i, this you can later change to 720 60i which is dvd compliant or export your HD master as an avi and drop it in a new SD timeline thats 720 60i dvd compliant.