You have an ancient Windows XP you need to access and keep online.
- Run Windows Update
2. A working browser is crucial. Firefox ESR 52.9.0 32 bit works great and is available here: https://ftp.mozilla.org/pub/firefox/releases/52.9.0esr/win32/en-US/
3. Install TLS 1.1 and TLS 1.2 and update IE8 using the POS files. This website is all you need to accomplish this task:
4. After you do all of the above update, upgrade RDP. RDP has had a lot of security holes over the years and you will want to update it urgently: https://support.microsoft.com/en-us/help/4500331/windows-update-kb4500331