System error codes will appear in software programs and in various areas within the Windows operating system after certain errors occur.
Important: A system error code is not the same as a Device Manager
error code or a browser error code, even though the error numbers may sometimes be the same.
Below is a list of system error codes from Code 700 to Code 799, along with a description of what the error code means.
Looking for system error codes outside of this range? See my
Complete List of System Error Codes for error code details from Code 1 to Code 15299.
Error Code 720
System error code 720 means "{Machine Type Mismatch} The image file %hs is valid" This error code may also display as "ERROR_IMAGE_MACHINE_TYPE_MISMATCH_EXE" or as the value 0x2D0.Error Code 721
System error code 721 means "A yield execution was performed and no thread was available to run." This error code may also display as "ERROR_NO_YIELD_PERFORMED" or as the value 0x2D1.Error Code 722
System error code 722 means "The resumable flag to a timer API was ignored." This error code may also display as "ERROR_TIMER_RESUME_IGNORED" or as the value 0x2D2.Error Code 723
System error code 723 means "The arbiter has deferred arbitration of these resources to its parent" This error code may also display as "ERROR_ARBITRATION_UNHANDLED" or as the value 0x2D3.Error Code 724
System error code 724 means "The inserted CardBus device cannot be started because of a configuration error on "%hs"." This error code may also display as "ERROR_CARDBUS_NOT_SUPPORTED" or as the value 0x2D4.Error Code 725
System error code 725 means "The CPUs in this multiprocessor system are not all the same revision level. To use all processors the operating system restricts itself to the features of the least capable processor in the system. Should problems occur with this system" This error code may also display as "ERROR_MP_PROCESSOR_MISMATCH" or as the value 0x2D5.Error Code 726
System error code 726 means "The system was put into hibernation." This error code may also display as "ERROR_HIBERNATED" or as the value 0x2D6.Error Code 727
System error code 727 means "The system was resumed from hibernation." This error code may also display as "ERROR_RESUME_HIBERNATION" or as the value 0x2D7.Error Code 728
System error code 728 means "Windows has detected that the system firmware (BIOS) was updated [previous firmware date = %2" This error code may also display as "ERROR_FIRMWARE_UPDATED" or as the value 0x2D8.Error Code 729
System error code 729 means "A device driver is leaking locked I/O pages causing system degradation. The system has automatically enabled tracking code in order to try and catch the culprit." This error code may also display as "ERROR_DRIVERS_LEAKING_LOCKED_PAGES" or as the value 0x2D9.
