Instalacion office xp professional

Trato de instalarlo y me aparece un texto con error 25506 diciendo que tengo que instalar una version de Asycfilt.dll y la siguiente explicacion que no logro entenderInsert your CD-ROM for your Microsoft Office XP program. Hold down SHIFT to stop Setup from automatically starting, or click Cancel when Setup runs.
Click Start, point to Programs, and then click Windows Explorer. In Microsoft Windows NT, point to Programs, point to the Accessories folder, and then click Windows Explorer.
Open your CD-ROM drive, and then navigate to the following folder:
drive\Files\Osp\1033\IE5\En
Double-click Oainst.exe to install the OLE automation update. The following files will be installed:
Advpack.dll
Oainst.inf
Asycfilt.dll
Oleaut32.dll
Olepro32.dll
Stdole2.tlb
Regtlib.exe
W95inf32.dll
W95inf16.dll
se que seguramente es una pregunta chorra pero es que no tengo ni p.. Idea. Gracias de antemano.