Latest 3DP Chip Download : http://www.3dpchip.com/3dp/chip.php?driver=newverdown
Latest 3DP Net Download : http://www.3dpchip.com/3dp/chip.php?driver=dp_net
Latest 3DP Cleaner Download : http://www.3dpchip.com/3dp/chip.php?driver=cleaner

3DP

Unknown error is just unknown error. So you have to decide from belows.
1. Use another driver.
2. Format your PC.

Thanks for use the 3DP Chip!