Error 0x80050048

Value: -2147155896 | 0x80050048 | 2147811400

What does it mean ?

MCA_WARNING_MEM_1_2  
Machine Check Event reported is a corrected ECC memory error at physical address %3 reported to CPU %1. %2 additional error(s) are contained within the record.
Value: 72 | 0x0048 | 0b0000000001001000

Where does it come from ?

FACILITY_MCA_ERROR_CODE  
Machine Check Architectures (Intel Pentium Pro and Itanium processors)
Value: 5 | 0x005 | 0b00000101

Other Errors for FACILITY_MCA_ERROR_CODE