Below is detailed information on individual STOP errors for STOP code 0xC1 through STOP code 0x11D, including what each STOP code means.
If you're looking for a STOP code outside of this range, please see my Complete List of STOP Codes from 0x1 to 0xC0000221.
If I have additional troubleshooting tips on a particular STOP error then I've provided a link to that information.
STOP Error 0x000000C1: SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION
STOP error 0xC1 means that the driver wrote to an invalid section of the special pool. STOP code 0x000000C1 may also display "SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION" on the same STOP message.STOP Error 0x000000C2: BAD_POOL_CALLER
STOP error 0xC2 means that the current thread is making a bad pool request. STOP code 0x000000C2 may also display "BAD_POOL_CALLER" on the same STOP message.STOP Error 0x000000C4: DRIVER_VERIFIER_DETECTED_VIOLATION
STOP error 0xC4 is the general STOP code code for fatal errors found by Driver Verifier. STOP code 0x000000C4 may also display "DRIVER_VERIFIER_DETECTED_VIOLATION" on the same STOP message.STOP Error 0x000000C5: DRIVER_CORRUPTED_EXPOOL
STOP error 0xC5 means that the system attempted to access invalid memory at a process IRQL that was too high. STOP code 0x000000C5 may also display "DRIVER_CORRUPTED_EXPOOL" on the same STOP message.STOP Error 0x000000C6: DRIVER_CAUGHT_MODIFYING_FREED_POOL
STOP error 0xC6 means that the driver attempted to access a freed memory pool. STOP code 0x000000C6 may also display "DRIVER_CAUGHT_MODIFYING_FREED_POOL" on the same STOP message.STOP Error 0x000000C7: TIMER_OR_DPC_INVALID
STOP error 0xC7 appears if a kernel timer or delayed procedure call (DPC) is found somewhere in memory where it is not permitted. STOP code 0x000000C7 may also display "TIMER_OR_DPC_INVALID" on the same STOP message.STOP Error 0x000000C8: IRQL_UNEXPECTED_VALUE
STOP error 0xC8 means that the processor's IRQL is not what it should be at this time. STOP code 0x000000C8 may also display "IRQL_UNEXPECTED_VALUE" on the same STOP message.STOP Error 0x000000C9: DRIVER_VERIFIER_IOMANAGER_VIOLATION
STOP error 0xC9 is the STOP code code for all Driver Verifier I/O Verification violations. STOP code 0x000000C9 may also display "DRIVER_VERIFIER_IOMANAGER_VIOLATION" on the same STOP message.STOP Error 0x000000CA: PNP_DETECTED_FATAL_ERROR
STOP error 0xCA means that the Plug and Play Manager encountered a severe error, probably as a result of a problematic Plug and Play driver. STOP code 0x000000CA may also display "PNP_DETECTED_FATAL_ERROR" on the same STOP message.STOP Error 0x000000CB: DRIVER_LEFT_LOCKED_PAGES_IN_PROCESS
STOP error 0xCB means that a driver or the I/O manager failed to release locked pages after an I/O operation. STOP code 0x000000CB may also display "DRIVER_LEFT_LOCKED_PAGES_IN_PROCESS" on the same STOP message.
