keep getting jit debugger error code 0x2(2)cordbg.exe.!a0x14c also unable to open administration tools in the control panel. i'm running xp home sp3
Sounds like a restore is in order.
1 - Try a Windows system restore to prior date when things were working.
2 - Run sfc /scannow (Wind CD)
3 - Boot from Win CD and repair install