DE1-SoC Development and Education Board

Hello, for not opening another thread, I will reuse this one. I'm following the user manual of DE1-SOC by Altera Terasic. I'm pretty new on this, now in the page 59, for making an audio recording and playing project, they use a demo-batch folder, it says that clicking on this, will load programming into the EPCQ, but I'm unable to do it, for when I click on this .bat file, give me an error message which says: " The system cannot find the path specified, please check your USB Blaster", actually my USB Blaster is well connected and Quartus II can recognize it. So what am I missing here? please help, Thanks in advance!