Users of older generation 'Haswell' and 'Broadwell' Intel CPUs are reporting of constant reboots after applying patches to address the Meltdown and Spectre vulnerabilities. Intel is looking at issuing a revised firmware to address specific issues related to these CPUs.
https://www.notebookcheck.net/Intel-Haswell-and-Broadwell-CPU-users-complain-of-higher-system-reboots-after-applying-Intel-s-security-fixes.278212.0.html
Lenovo has already withdrawn the Intel's CPU microcode update from their BIOS downloads page (link now allowed).
My PC also keeps rebooting on its own post the update.
Quote from: Ignatius Damai on January 15, 2018, 03:45:33
My PC also keeps rebooting on its own post the update.
What processor are you using? And was this an OS level update or a BIOS update?