I uninstalled sdk then loaded snow leopard then reinstalled sdk. when I select the xcode icon I get the following string. does anyone know what is going on?

Process: Xcode [3712]
Path: /Users/gordonsorenson/Desktop/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.Xcode
Version: ??? (???)
Build Info: DevToolsIDE-16130000~2
Code Type: X86-64 (Native)
Parent Process: launchd [131]

Date/Time: 2009-12-31 21:21:00.241 -0600
OS Version: Mac OS X 10.6 (10A432)
Report Version: 6

Interval Since Last Report: 13890 sec
Crashes Since Last Report: 13
Per-App Crashes Since Last Report: 13
Anonymous UUID: 17452844-FE13-4D8C-B2D2-0A3E551B588B

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Crashed Thread: 0

Dyld Error Message:
Library not loaded: @rpath/DevToolsFoundation.framework/Versions/A/DevToolsFoundation
Referenced from: /Users/gordonsorenson/Desktop/Xcode.app/Contents/MacOS/Xcode
Reason: image not found

Model: iMac7,1, BootROM IM71.007A.B03, 2 processors, Intel Core 2 Duo, 2.4 GHz, 1 GB, SMC 1.21f4
Graphics: ATI Radeon HD 2600 Pro, ATI,RadeonHD2600, PCIe, 256 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x88), Broadcom BCM43xx 1.0 (5.10.91.19)
Bluetooth: Version 2.2.0f18, 2 service, 1 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: Hitachi HDT725032VLA360, 298.09 GB
Parallel ATA Device: MATSHITADVD-R UJ-85J
USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8502, 0xfd400000
USB Device: Keyboard Hub, 0x05ac (Apple Inc.), 0x1006, 0xfa400000
USB Device: Apple Keyboard, 0x05ac (Apple Inc.), 0x0220, 0xfa420000
USB Device: USB2.0 Hub, 0x05e3 (Genesys Logic, Inc.), 0x0608, 0xfa200000
USB Device: Officejet 6200 series, 0x03f0 (Hewlett Packard), 0x4b11, 0xfa220000
USB Device: USB Floppy Drive, 0x057b (Y-E Data, Inc.), 0xfa240000
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x5d100000
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8206, 0x1a100000
USB Device: Apple Optical USB Mouse, 0x05ac (Apple Inc.), 0x0304, 0x1d100000