Hardware Error Events

Errors Windows logs without necessarily crashing - WHEA records, driver timeouts and PCIe faults. These are the entries that tell you a machine is degrading before it dies.

• disk / NtfsStorage and filesystem error events - which ones mean a dying driveA dozen storage events, mostly harmless. Four justify replacing a drive. Here's which.
• Display 4101Display driver stopped responding and has successfully recoveredThe GPU hung and recovered. Count incidents, not records - NVIDIA logs four per event.
• Kernel-Power 41The system has rebooted without cleanly shutting down firstThe machine went down hard. One field tells you whether it was a blue screen or a power loss.
• WHEA-Logger 17A corrected hardware error has occurredHardware reported an error and recovered. One is noise. A burst of them is a warning.
• WHEA-Logger 18A fatal hardware error has occurred - Processor CoreThe CPU hit an error it could not correct. Often logged with no blue screen at all.
• WHEA-Logger 19A corrected hardware error has occurred - Processor CoreThe CPU caught an error and corrected it. Whether to care depends on the rate.
• WHEA-Logger 47A corrected hardware error has occurred - MemoryA memory error was corrected. The message hides the DIMM location; the XML doesn't.