Error compiling movie, software render error, error code 512

[Moderator moved from Dreamweaver support forum to Premiere Pro CC.]

My device spec:

ram 8.0GB

intel(r) core(tm) i7-4800mq cpu @ 2.70ghz

system type : 64 byte

I could export some videos before but they were quite short

I imported video from .MOV and i used to edit PP normally

But when i exported my project, it said :

i tried to follow all the instructions on the web but none of them work . After turning off all the lumetri color in every videos, then it said :

I have tried to change the preference frome performance to Memory, renderer to Software Only, change some Format, even try Match sequence setting, export in C:/, split the sequence to small pieces but they didnt work . I had to restart my computer over 10 times because of lagging

sorry my English is bad but i need help a lot .