A Stop error is displayed as a blue screen that contains the name of the faulty driver, such as any of the following example drivers atikmpagsys; The general STOP code code for fatal errors found by Driver Verifier or DRIVER_VERIFIER_DETECTED_VIOLATION 0xC5 The system attempted to access invalid memory at a process IRQL that was too high or DRIVER_CORRUPTED_EXPOOL The Windows "blue screen of death" (BSOD), also known as a "STOP error" or "Bug Check", is an infamous warning message about corrupt hardware, software, or drivers that force Windows to shut down
Windows 10 Stop Code Fix 21 Solution Youtube