Could you possibly be trying to install the incorrect driver?
SY-5EMMThis is not the proper driver:als-driv.zip
1998-09-14
ALS sound driver
These are the proper drivers:(They may or may not contain the ALS Sound driver)
via4in1446vp6.exe
2003-04-14
VIA 4 in 1 Driver Package for Win 9x/ME/NT/2000/XP ver:4.46
BTW, how much memory do you have installed?
What CPU is installed (AMD K6 or ??)