win 98 ???? dal manuale.

http://httpd.apache.org/docs/2.2/platform/windows.html

The primary Windows platform for running Apache 2.0 is Windows NT. The binary installer only works with the x86 family of processors, such as Intel and AMD processors. Running Apache on Windows 9x is not thoroughly tested, and it is never recommended on production systems.
in altre parole ... dovresti mettere apache 1.3.37