
Microsoft has pulled one of its August 2014 Patch Tuesday updates.
MS14-045, which fixes various security holes in the Windows kernel, can cause a Blue Screen of Death (BSoD), thus forcing a reboot.
Apparently, the BSoD is caused by incorrect handling of the Windows font cache file - and because that happens during boot-up, you end up stuck in a reboot loop.
(Yes, MS14-045 requires a reboot after you've applied it.)
The euphemistically-named...