Upgrade Center windows, error 80070002

My Computer

OS
Windows 7
CPU
Intel E6600 @ 2.9Ghz
Motherboard
Gigabyte EP45 UD3
Memory
4GB Crucial DDR2 PC6400
Graphics Card(s)
EVGA GTS 260 768mb
Monitor(s) Displays
24" DGM
Screen Resolution
1920x1200
Hard Drives
1.5TB
1TB
750GB
500GB x 2
PSU
750w Corsair
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