Moved from Home products to Business > HIPS for better attention.
HIPS is blocking the network after a user overuse CPU and memory and is forced to reboot the computer,
This is not inherent functionality of HIPS, but it might related to HIPS known issues.
1. Uninstall Microsoft QoS and reboot.
KB72097 - LAN / Wi-Fi / VPN Client / network connectionfails to connect with Host Intrusion Prevention 8.0 / 7.0
2. Ensure you are on HIPS 8.0 Patch 4.
KB78494 - Host Intrusion Prevention 8.0 Patch 4 Known Issues