>I don't have W98 as an option for the installation of that service pack.
>
>Is it still allright if I install Windows NT pack 4.0 for Windows 95 on Wndows 98?

Do you mean NT Option Pack 4, or NT SP4? Some components of OP4 can be installed on Win9x systems; if it will load on Win95, it should also go on Win98. NT SP4 is only applicable to NT 4.0; in fact, it really should not be placed on SBS (there's a SBS-specific SP version available.)