Error 0x40050074

Value: 1074069620 | 0x40050074 | 1074069620

What does it mean ?

MCA_INFO_MEMORY_PAGE_MARKED_BAD  
The memory page at physical address %1 has encountered multiple corrected hardware error events. As a result it will no longer be used by Windows.
Value: 116 | 0x0074 | 0b0000000001110100

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