BSOD when installing league of legends ,

System Manufacturer/Model Number: Home built (x64), Lenovo x61s Tablet, Samsung Netbook
OS: Win7 x64 + x86
CPU: Intel i7 920, other Intel chips, and the Atom in the netbook
Motherboard: Asus P6T Deluxe
Memory: 12 gB; 4 gB Lenovo; 1 gB Samsung netbook
Graphics Card: ATI 4870
Sound Card: Yes, I have one of these
Monitor(s) Displays: 32" Sharp Aquos TV
Screen Resolution: 800x600 - I have vision issues
Keyboard: Microsoft Natural
Mouse: Logitech Trackman
PSU: 1000 watt (can't recall the brand)
Case: Antec 300
Cooling: Big honking cooler that was rated highly at Toms Hardware
Hard Drives: 4 - 150 gB Velociraptors in RAID 5 Promise controller
Internet Speed: Cable
Other Info: GeekSquad UPS CyberPower UPS DLink DNS-323 NAS (2 tB) Netgear wireless router as an access point Netgear wired router FSV-318 Home network consists of 4 desktop computers (2 Vista, 2 Win7) 1 netbook (Win7) 4 laptop computers (XP, 2-Vista, Win7) Wii and XBox 360