ScrapeBox high CPU usage while harvesting?

Despite just using less than 50KiB/s for harvesting at 26 urls/s, my CPU usage is constantly at 99-100%.

Is this normal?

I'm running ScrapeBox on VPS with private proxies.

Total memory usage is less than 1GB from 2GB I have on the box.

Having the same problem did you manage to resolve this ? Was running fine yesterday then today even with 80 private proxies and only 30 threads using 99/100% CPU !!!!!!