wont install

just tried to install vista Bets 2 twice and hangs after inserting the rtegistration key this is my system
Computer Operating System Microsoft Windows XP Home Edition OS Service Pack Service Pack 2 DirectX 4.09.00.0904 (DirectX 9.0c) Motherboard CPU Type Intel Pentium 4 540J, 3433 MHz (16 x 215) Motherboard Name Gigabyte GA-8I915P Pro (2 PCI, 3 PCI-E x1, 1 PCI-E x16, 4 DDR DIMM, Audio, Gigabit LAN, IEEE-1394) Motherboard Chipset Intel Grantsdale i915P System Memory 1024 MB (DDR SDRAM) BIOS Type Award Modular (02/04/05) Communication Port Communications Port (COM1) Communication Port Printer Port (LPT1) Display Video Adapter NVIDIA GeForce 6600 (256 MB) 3D Accelerator nVIDIA GeForce 6600 PCI-E Monitor LG L1750SQ [17" LCD] (1512259450) Multimedia Audio Adapter Intel 82801FB ICH6 - High Definition Audio Controller [B-1] Storage IDE Controller Intel(R) 82801FB Ultra ATA Storage Controllers - 2651 IDE Controller Intel(R) 82801FB/FBM Ultra ATA Storage Controllers - 266F Floppy Drive Floppy disk drive Disk Drive WDC WD2500JD-22HBC0 (232 GB, IDE) Disk Drive ST3250823AS (250 GB, 7200 RPM, SATA) Disk Drive WDC WD12 00JB-00EVA0 USB Device (111 GB, USB) Optical Drive PIONEER DVD-RW DVR-109 (DVD+R9:6x, DVD-R9:6x, DVD+RW:16x/8x, DVD-RW:16x/6x, DVD-ROM:16x, CD:40x/24x/40x DVD+RW/DVD-RW) SMART Hard Disks Status OK Partitions C: (NTFS) 238472 MB (203336 MB free) D: (NTFS) 238472 MB (57100 MB free) H: (NTFS) 114470 MB (66013 MB free) Total Size 577.6 GB (318.8 GB free) Input Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard Mouse PS/2 Compatible Mouse Network Network Adapter Marvell Yukon Gigabit Ethernet 10/100/1000Base-T Adapter, Copper RJ-45 Peripherals Printer Canon PIXMA iP4000 (Copy 1) Printer Canon PIXMA iP4000 Printer FinePrint USB1 Controller Intel 82801FB ICH6 - USB Universal Host Controller [B-1] USB1 Controller Intel 82801FB ICH6 - USB Universal Host Controller [B-1] USB1 Controller Intel 82801FB ICH6 - USB Universal Host Controller [B-1] USB1 Controller Intel 82801FB ICH6 - USB Universal Host Controller [B-1] USB2 Controller Intel 82801FB ICH6 - Enhanced USB2 Controller [B-1] USB Device USB Mass Storage Device USB Device USB Printing Support
any reccomendations please