Drivers
~70%
Bad, outdated, or recently updated drivers — especially GPU & network
IRQL_NOT_LESS_OR_EQUAL
DRIVER_IRQL_NOT_LESS_OR_EQUAL
Memory / RAM
~15%
Faulty, failing, or incompatible RAM sticks you might not know about
PAGE_FAULT_IN_NONPAGED_AREA
KERNEL_SECURITY_CHECK_FAILURE
Disk / Storage
~10%
Failing hard drive or SSD with bad sectors or file system corruption
KERNEL_DATA_INPAGE_ERROR
CRITICAL_PROCESS_DIED
Software
~5%
Antivirus conflicts, bad updates, unstable overclocks, corrupted system files
SYSTEM_SERVICE_EXCEPTION
DPC_WATCHDOG_VIOLATION