Solve : Physical Address Extention?

1.	Solve : Physical Address Extention?
Answer» My computer is: Gateway 3.4 80Hdd 1GB Ram WinXP Pro. I haven't given anyone access to work on my computer except ATT. When a storm took out my phone line and DSL. When I went to turn off my computer for the night, I got a message others were on my computer and did I STILL want to shut down. I checked my computer for SIGNS of things out of place. When I checked my computer icon, it read PHYSICAL Address Extention. What is it and how do I get rid of it?

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