Cannot view secure web sires with Win98

Problem:

Removed some spyware and cleaned up my computer. I cannot view secure websites now.

Many people recommended checking to see if port 443 was open. I am NOT using a router. How do u open ports in Windows 98SE?

HOW/WHERE DO I CHECK TO SEE IF PORT 443 IS BLOCKED, AND HOW DO I OPEN IT?

^Thanks for the help!