Absolutely stable for the past 5 weeks. No overclocks, everything at stock voltages and timings. This is an HTPC.
Action Center reports:
The computer has rebooted from a bugcheck. The bugcheck was: 0x0000003b (0x00000000c0000005, 0xfffff88010018883, 0xfffff8800c7ae8f0, 0x0000000000000000)...