Symptoms
You may receive the following Stop error message in Windows XP:

STOP: 0×0000009C (0×00000004, 0×00000000, 0xb2000000, 0×00020151)
“MACHINE_CHECK_EXCEPTION”The four parameters inside the parentheses may vary.
Resolution
This behavior occurs because your computer processor detected and reported an unrecoverable hardware error to Windows XP. To do this, the processor used the Machine Check Exception (MCE) feature of Pentium processors or the Machine Check Architecture (MCA) feature of some Pentium Pro processors. The following factors may cause this error message:System bus errorsMemory errors that may include parity or Error Correction Code (ECC) problemsCache errors in the processor or hardwareTranslation Lookaside Buffers (TLB) errors in the processorOther CPU-vendor specific detected hardware problemsVendor-specific detected hardware problems