Bad_pool_Header FS9

Win XP Pro SP2 Ver 2002, crashes only with FS2004 as nose wheel leaves runway.
Error Stop :0x00000019 or Stop:0x00000C2, or Stop:0x00000C5.

PC Intel P4 dual CPU 3.0Ghz hyper threading enabled.
Mboard PS83BL Chipset Intel 865PE CPU FSB 800Mhz.
RAM DDR400 2GB (dual channel)
Power Supply 400W +12V 18A, 5V 40A, 3.3V 28A
2 X HDD Seagate 80GB 7300Rpm Barracudas'.
Nvidia GE Force FX5700LE AGP 256MB driver latest 9.1.3.1
CD Rom 56X Benq
DVD 16X LG
Microsoft Force Feed back Joystick.

FS2004 has been upgraded with 9.1 upgrade also PMDG 737NG 600/700
PMDG 747 400 last two not being tried since problem started.

System was working fine, no hardware or software added problem started a week ago.

Under device manager Human Machine Interface the joystick used to appear it doesn't anymore? but works fine.