Burning dvds (Toshiba Equium M70-173 Intel® Centrino)

[qanda]This thread is about the Toshiba Equium M70-173 Intel® Centrino™ Mobile Technology with Intel® Pentium® M Processor 740/XP HE/512MB/60GB/DVD-SuperMultiDL/WiFi. Click here to see full specs[/qanda]Whenever i try burn a dvd with dvd shrink.it crashes says cant write end of disc at once.SPTI error.Can someone please tell me how i can sort this problem out.It had been working fine.My other dvd burning software is not working either