Computer shutting down and mouse not moving on WIN XP Prof Please HELP!!!!!!!!!!!!!!!!!

[rote]

I have just formatted and installed a new WINXP installtion Pro..
But my PC just keeps shuttiing down very frequently or the mouse just hangs
and won't move..
I noticed this after installing this crap windows update from microsoft.
I have service pack 2

Please help...

This is the only warning i get on my Event Viewer below :-

Event Type: Warning
Event Source: BTHUSB
Event Category: None
Event ID: 18
Date: 8/12/2007
Time: 8:42:53 PM
User: N/A
Computer: LUROWAM
Description:
Windows cannot store Bluetooth link keys on the local transceiver because it
cannot determine whether proper security is enabled for the device.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 08 00 01 00 56 00 ......V.
0008: 00 00 00 00 12 00 05 80 .......€
0010: 00 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
0028: e0 00 00 00 00 00 00 00 à.......

---------------------------------------------------------------------------------------------------------------------------

Event Type: Error
Event Source: Application Hang
Event Category: (101)
Event ID: 1002
Date: 8/12/2007
Time: 7:25:23 PM
User: N/A
Computer: LUROWAM
Description:
Hanging application SpybotSD.exe, version 1.5.1.15, hang module hungapp,
version 0.0.0.0, hang address 0x00000000.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 48 61 6e 67 ion Hang
0010: 20 20 53 70 79 62 6f 74 Spybot
0018: 53 44 2e 65 78 65 20 31 SD.exe 1
0020: 2e 35 2e 31 2e 31 35 20 .5.1.15
0028: 69 6e 20 68 75 6e 67 61 in hunga
0030: 70 70 20 30 2e 30 2e 30 pp 0.0.0
0038: 2e 30 20 61 74 20 6f 66 .0 at of
0040: 66 73 65 74 20 30 30 30 fset 000
0048: 30 30 30 30 30 00000