As per Microsoft, this stop message indicates that a parity error has been detected in system memory. This error is almost always caused by a hardware problem, but may be caused by any of the following items:
- A failed or defective hardware component, including RAM, L2 RAM cache, or video RAM.
- Hardware that is misconfigured or mismatched. For example, if memory has been added recently, there may be mismatched RAM speeds.
- Incompatible hardware. For example, the speed of RAM recently added may be incompatible with another hardware component on the system, such as the L2 cache.
- An ill-behaved device driver attempting to access an address in the 0x8xxxxxxx range that does not exist (that is, does not correspond to a real physical address mapping).
- A virus has infected the Master Boot Record (MBR).
- Hard disk damage.
See the links below for more troubleshooting information.
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