http://support.microsoft.com/default.aspx?scid=kb;en-us;192926&Product=w98
http://support.microsoft.com/default.aspx?scid=kb;en-us;324609&Product=w98
Apple Quicktime won't be difficult to find, I think. The other program might be some virus or spyware betraying itself.
Post again if need arises.
Kees