Hi there and welcome
As you use Windows XP, you will need to switch over to using Google Chrome as your browser, instead of internet explorer, which will allow you access to all websites.
It is free and you can install it from my link below
Once installed, run it and within this you will be able to access any websites.
I can also do these steps for you, and have made a request via Additional Services. This is optional, and if you choose to do this, I can, with your permission, remote into your computer while you watch and do all these steps (and deal with any problems that arise during them) for you. Or if you do not choose to take this service, we can continue here. This is no problem at all. Just let me know please.
Let me know the results please