Error closing and re-enter 1964...

[Kid A]

This is my problem:
I play a rom, then close 1964, then If I want to re-enter 1964 I get this error:
---------------------------------------------------------------------
1964 provocó un error de página no válida en el
módulo <desconocido> de 0000:b00dc210.
Registros:
EAX=e64ea000 CS=017f EIP=b00dc210 EFLGS=00010286
EBX=00000004 SS=0187 ESP=0142eb54 EBP=01428b6e
ECX=00000ecc DS=0187 ESI=e5738b5c FS=0177
EDX=0142eb4c ES=0187 EDI=e64e35e7 GS=0000
Bytes en CS:EIP:

Volcado de pila:
,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x
-----------------------------------------------------------
I´m usign Windows98
AMD 1GHZ
TEPPRO IMPACT4 - Gforce 2 gts 32mb
256 mb ram

Sorry my english. I´m spanish.