64 BIT has its own newsgroup.

microsoft.public.windows.64bit.general

you might try asking them.

tural wrote:

I tihink kb888111 is for 32 bitr platforms and and it does not work in the
case of 64 bit platforms. What can be done in the case of 64 bit platforms.
My system is win xp pro 64 bit, on board realtek hd audio system. Couldu
please help me ?

" wrote:


did you install the Microsoft UAA? you need to...

http://support.microsoft.com/kb/888111/en-us

install UAA first, reboot, then retry the realtek hd driver install.

this is a very common issue, the realtek "fine print" should tell you
this.