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 780
System error code 780 means "The attempted operation required self healing to be enabled." This error code may also display as "ERROR_DISK_REPAIR_DISABLED" or as the value 0x30C.Error Code 781
System error code 781 means "The Desktop heap encountered an error while allocating session memory. There is more information in the system event log." This error code may also display as "ERROR_INSUFFICIENT_RESOURCE_FOR_SPECIFIED_SHARED_SECTION_SIZE" or as the value 0x30D.Error Code 782
System error code 782 means "The system power state is transitioning from %2 to %3." This error code may also display as "ERROR_SYSTEM_POWERSTATE_TRANSITION" or as the value 0x30E.Error Code 783
System error code 783 means "The system power state is transitioning from %2 to %3 but could enter %4." This error code may also display as "ERROR_SYSTEM_POWERSTATE_COMPLEX_TRANSITION" or as the value 0x30F.Error Code 784
System error code 784 means "A thread is getting dispatched with MCA EXCEPTION because of MCA." This error code may also display as "ERROR_MCA_EXCEPTION" or as the value 0x310.Error Code 785
System error code 785 means "Access to %1 is monitored by policy rule %2." This error code may also display as "ERROR_ACCESS_AUDIT_BY_POLICY" or as the value 0x311.Error Code 786
System error code 786 means "Access to %1 has been restricted by your Administrator by policy rule %2." This error code may also display as "ERROR_ACCESS_DISABLED_NO_SAFER_UI_BY_POLICY" or as the value 0x312.Error Code 787
System error code 787 means "A valid hibernation file has been invalidated and should be abandoned." This error code may also display as "ERROR_ABANDON_HIBERFILE" or as the value 0x313.Error Code 788
System error code 788 means "{Delayed Write Failed} Windows was unable to save all the data for the file %hs; the data has been lost. This error may be caused by network connectivity issues. Please try to save this file elsewhere." This error code may also display as "ERROR_LOST_WRITEBEHIND_DATA_NETWORK_DISCONNECTED" or as the value 0x314.Error Code 789
System error code 789 means "{Delayed Write Failed} Windows was unable to save all the data for the file %hs; the data has been lost. This error was returned by the server on which the file exists. Please try to save this file elsewhere." This error code may also display as "ERROR_LOST_WRITEBEHIND_DATA_NETWORK_SERVER_ERROR" or as the value 0x315.Error Code 790
System error code 790 means "{Delayed Write Failed} Windows was unable to save all the data for the file %hs; the data has been lost. This error may be caused if the device has been removed or the media is write-protected." This error code may also display as "ERROR_LOST_WRITEBEHIND_DATA_LOCAL_DISK_ERROR" or as the value 0x316.Error Code 791
System error code 791 means "The resources required for this device conflict with the MCFG table." This error code may also display as "ERROR_BAD_MCFG_TABLE" or as the value 0x317.