Internet Explorer 9 Low Memory Error in OWA

HI,

we have one user that is getting a low memory error when use OWA in Internet Explorer 9 x32. However the same user in the same computer is able to access OWA with Internet Explorer 9 x64.

any Ideas ?

the computer has Windows 7 64 bits.

the error comming in the IE 9 x32 but is fine in IE 9 x64.

thanks.