| CRITICAL_PROCESS_DIED | 0x000000EF | Critical OS process terminated unexpectedly. | SFC/DISM; uninstall recent drivers/AV; check disk SMART; update chipset/storage. | Kernel/CPU | |
| SYSTEM_THREAD_EXCEPTION_NOT_HANDLED | 0x0000007E | Kernel system thread hit an unhandled exception (usually driver). | Safe Mode; update/rollback offending driver; BIOS update if repeating. | Driver | |
| KMODE_EXCEPTION_NOT_HANDLED | 0x0000001E | Unhandled kernel-mode exception. | Update drivers/BIOS; remove recent hardware; memory test. | Driver | |
| IRQL_NOT_LESS_OR_EQUAL | 0x0000000A | Kernel accessed invalid memory at high IRQL. | Update drivers; MemTest86; disable OC/XMP. | Memory | |
| DRIVER_IRQL_NOT_LESS_OR_EQUAL | 0x000000D1 | Driver accessed invalid pageable memory. | Find driver in dump; update/rollback; Driver Verifier if needed. | Driver | |
| PAGE_FAULT_IN_NONPAGED_AREA | 0x00000050 | Invalid access to non-paged RAM. | Test RAM; chkdsk; update storage/GPU; remove 3rd-party AV. | Memory | |
| SYSTEM_SERVICE_EXCEPTION | 0x0000003B | Exception in system service transition. | Update GPU/chipset; SFC/DISM; disable overlays/OC tools. | Driver | |
| DPC_WATCHDOG_VIOLATION | 0x00000133 | DPC/ISR ran too long (storage/firmware common). | Update NVMe/SATA drivers + SSD firmware; chipset/BIOS updates. | Storage | |
| WHEA_UNCORRECTABLE_ERROR | 0x00000124 | Hardware error reported by WHEA. | Check temps/PSU; revert OC; BIOS update; reseat RAM/GPU. | Kernel/CPU | |
| CLOCK_WATCHDOG_TIMEOUT | 0x00000101 | CPU core didn’t respond in time. | Revert CPU OC/UV; BIOS update; check cooling/PSU. | Kernel/CPU | |
| MACHINE_CHECK_EXCEPTION | 0x0000009C | Legacy CPU machine-check fatal error. | Cooling/PSU check; revert OC; BIOS update; CPU/RAM test. | Kernel/CPU | |
| UNEXPECTED_STORE_EXCEPTION | 0x00000154 | Unexpected exception in storage stack. | SSD firmware + storage driver update; chkdsk; disable fast startup. | Storage | |
| KERNEL_DATA_INPAGE_ERROR | 0x0000007A | Paging from disk failed. | Disk SMART + chkdsk /r; update controller driver; replace failing drive. | Storage | |
| KERNEL_STACK_INPAGE_ERROR | 0x00000077 | Kernel stack page-in failed. | Check disk/RAM; update storage drivers. | Storage | |
| INACCESSIBLE_BOOT_DEVICE | 0x0000007B | Boot volume not accessible. | Undo BIOS storage mode changes; Startup Repair; rollback update. | Update/Boot | |
| UNMOUNTABLE_BOOT_VOLUME | 0x000000ED | Boot filesystem can’t be mounted. | Startup Repair; chkdsk; check disk health/cabling. | Update/Boot | |
| BAD_SYSTEM_CONFIG_INFO | 0x00000074 | Boot/registry configuration corruption. | Restore point; rebuild BCD; SFC/DISM; chkdsk. | Update/Boot | |
| REGISTRY_ERROR | 0x00000051 | Registry hive corruption. | chkdsk; RAM test; restore point; repair install. | Update/Boot | |
| NTFS_FILE_SYSTEM | 0x00000024 | NTFS corruption or disk I/O failure. | chkdsk /f /r; storage driver update; back up immediately. | Storage | |
| FAT_FILE_SYSTEM | 0x00000023 | FAT/exFAT corruption (often removable media). | Re-seat device; chkdsk on volume; update USB drivers. | Storage | |
| MEMORY_MANAGEMENT | 0x0000001A | Memory subsystem corruption. | MemTest86; reseat/replace RAM; disable OC/XMP. | Memory | |
| PFN_LIST_CORRUPT | 0x0000004E | Page Frame Number list corrupted. | RAM test; driver updates; disable OC. | Memory | |
| NO_MORE_SYSTEM_PTES | 0x0000003F | System PTE resources exhausted. | Driver update; reduce kernel memory pressure; reboot. | Memory | |
| SYSTEM_PTE_MISUSE | 0x000000DA | Driver misused PTEs. | Update/remove offending driver; Driver Verifier. | Memory | |
| PAGED_FAULT_BEYOND_END_OF_ALLOCATION | 0x000000CD | Driver referenced invalid paged memory. | Update/remove driver; memory diagnostics. | Memory | |
| DATA_BUS_ERROR | 0x0000002E | Parity/ECC or bus error. | RAM/board test; revert OC; check seating. | Memory | |
| BAD_POOL_CALLER | 0x000000C2 | Driver corrupted pool memory. | Update/rollback driver; Driver Verifier. | Driver | |
| DRIVER_CORRUPTED_EXPOOL | 0x000000C5 | Driver corrupted pool (extended). | Update/remove driver; RAM test. | Driver | |
| POOL_CORRUPTION_IN_FILE_AREA | 0x000000DE | Pool corruption tied to filesystem. | Update storage/fs drivers; SFC/DISM; disk check. | Driver | |
| REFERENCE_BY_POINTER | 0x00000018 | Bad object reference count (driver bug). | Update/remove offending driver. | Driver | |
| ATTEMPTED_WRITE_TO_READONLY_MEMORY | 0x000000BE | Driver wrote to read-only memory. | Update/rollback driver; remove kernel security tools. | Driver | |
| ATTEMPTED_EXECUTE_OF_NOEXECUTE_MEMORY | 0x000000FC | Tried executing NX memory (driver/malware). | Update drivers; Defender offline scan; SFC/DISM. | Security | |
| DRIVER_OVERRAN_STACK_BUFFER | 0x000000F7 | Stack buffer overrun. | Update/remove driver; malware scan. | Security | |
| KERNEL_SECURITY_CHECK_FAILURE | 0x00000139 | Kernel detected corruption / tampering. | Drivers update; Defender scan; RAM test. | Security | |
| SECURITY_SYSTEM | 0x00000045 | Security subsystem failure. | Undo security software changes; SFC/DISM; scan for malware. | Security | |
| DRIVER_POWER_STATE_FAILURE | 0x0000009F | Driver failed power transition. | Update Wi-Fi/Bluetooth/GPU; disable fast startup. | Driver | |
| NO_MORE_IRP_STACK_LOCATIONS | 0x00000035 | IRP stack exhaustion (driver leak). | Update/remove driver; reboot temporarily fixes. | Driver | |
| DRIVER_LEFT_LOCKED_PAGES_IN_PROCESS | 0x000000CB | Driver didn’t unlock pages before exit. | Update/remove driver (dump points to module). | Driver | |
| RESOURCE_NOT_OWNED | 0x000000E3 | Driver released an unowned resource. | Update/remove driver. | Driver | |
| KERNEL_MODE_HEAP_CORRUPTION | 0x0000013A | Kernel heap corruption (driver/GPU common). | Update drivers; RAM test; disable OC. | Driver | |
| DRIVER_VERIFIER_DETECTED_VIOLATION | 0x000000C4 | Driver Verifier caught illegal driver behavior. | Disable Verifier to boot; update/remove flagged driver. | Driver | |
| DRIVER_VERIFIER_DMA_VIOLATION | 0x000000E6 | Verifier DMA rule violation. | Disable Verifier; firmware/driver update for DMA device. | Driver | |
| DRIVER_VERIFIER_IOMANAGER_VIOLATION | 0x000000C9 | Verifier I/O manager check failed. | Update/remove offending driver. | Driver | |
| BUGCODE_USB_DRIVER | 0x000000FE | USB stack driver failure. | Update chipset/USB drivers; unplug peripherals to isolate. | Driver | |
| BUGCODE_USB3_DRIVER | 0x00000144 | USB 3.x controller/driver failure. | Update USB3 controller driver/firmware; BIOS update. | Driver | |
| BUGCODE_NDIS_DRIVER | 0x0000007C | Network driver (NDIS) bug. | Update NIC/Wi-Fi drivers; remove VPN/filter drivers. | Network/IO | |
| NDIS_INTERNAL_ERROR | — | NDIS subsystem internal failure (alias). | Update NIC/Wi-Fi drivers; uninstall VPN/filter drivers. | Network/IO | |
| NETIO_SYS_ERROR | — | Network I/O stack fault (often filter drivers). | Remove/upgrade VPN, AV network filters; update NIC driver. | Network/IO | |
| TCPIP_DRIVER_IRQL_NOT_LESS_OR_EQUAL | — | TCP/IP driver fault, often due to third-party filters. | Update NIC; remove VPN/packet filters; SFC/DISM. | Network/IO | |
| MULTIPLE_IRP_COMPLETE_REQUESTS | 0x00000044 | Driver completed an IRP twice. | Update/remove offending driver. | Driver | |
| HAL_INITIALIZATION_FAILED | 0x0000005C | HAL init failed (BIOS/hardware mismatch). | BIOS reset/update; remove new hardware; reseat CPU/RAM. | Kernel/CPU | |
| INTERRUPT_EXCEPTION_NOT_HANDLED | 0x0000003D | Unhandled CPU interrupt exception. | Update BIOS/chipset; revert OC; hardware tests. | Kernel/CPU | |
| UNEXPECTED_KERNEL_MODE_TRAP | 0x0000007F | CPU trap (double fault/stack) in kernel mode. | RAM/CPU tests; BIOS update; revert OC. | Kernel/CPU | |
| APC_INDEX_MISMATCH | 0x00000001 | Driver APC bookkeeping mismatch. | Update/remove driver discovered in dump. | Driver | |
| KERNEL_APC_PENDING_DURING_EXIT | 0x00000020 | Thread exited with APC still queued. | Update/remove offending driver. | Kernel/CPU | |
| SESSION_HAS_VALID_POOL_ON_EXIT | 0x000000AB | Pool leak on session exit. | Update/remove driver; reboot clears temporarily. | Driver | |
| KERNEL_AUTO_BOOST_INVALID_LOCK_RELEASE | 0x00000162 | Kernel lock release violation. | Update/remove driver; check recent low-level tools. | Kernel/CPU | |
| BOOTLOG_LOADED | 0x0000002C | Boot logging driver load failure. | Startup Repair; rollback update; driver restore. | Update/Boot | |
| SESSION3_INITIALIZATION_FAILED | 0x0000006F | Late-boot init failed. | Startup Repair; SFC/DISM; chkdsk; rollback update. | Update/Boot | |
| STATUS_SYSTEM_PROCESS_TERMINATED | 0xC000021A | Subsystem (winlogon/csrss) terminated. | Rollback update/driver; SFC/DISM; restore point. | Update/Boot | |
| CRITICAL_OBJECT_TERMINATION | 0x000000F4 | Critical system object ended (storage common). | Check SSD/HDD health; update storage driver; SFC/DISM. | Storage | |
| VIDEO_TDR_FAILURE | 0x00000116 | GPU timeout; TDR reset failed. | Clean GPU driver install (DDU); temps; revert OC. | GPU | |
| VIDEO_TDR_TIMEOUT_DETECTED | 0x00000117 | GPU timed out; TDR recovery triggered. | Update GPU driver; check cooling/PSU; revert OC. | GPU | |
| VIDEO_SCHEDULER_INTERNAL_ERROR | 0x00000119 | GPU scheduler detected fatal error. | Update/rollback GPU driver; disable OC; PSU check. | GPU | |
| THREAD_STUCK_IN_DEVICE_DRIVER | 0x000000EA | GPU driver stuck in loop. | Clean GPU driver install; DirectX/Windows update. | GPU | |
| VIDEO_MEMORY_MANAGEMENT_INTERNAL | 0x0000010E | Video memory manager fault. | Update GPU driver; check VRAM stability; revert OC. | GPU | |
| DXGKRNL_FATAL_ERROR | 0x00000113 | DirectX graphics kernel fatal error. | GPU driver clean install; Windows update; PSU/temps. | GPU | |
| HYPERVISOR_ERROR | 0x00020001 | Hyper-V / virtualization layer crashed. | Update BIOS/chipset; disable Hyper-V to test; update drivers. | Kernel/CPU | |
| UNEXPECTED_KERNEL_MODE_TRAP (ALIAS) | 0x0000007F | Alias shown on some systems for the same trap class. | Same as UNEXPECTED_KERNEL_MODE_TRAP. | Kernel/CPU | |