Hi Gav,
Thank you for choosing Microsoft Community to post your question!
Based on your issue the description, I understand that you are receiving error: RPC Server unavailable, services not running.
I can imagine the inconvenience you have experienced.
I would appreciate if you could answer the following questions:
1. What is the make and model of your computer?
2. What happens when you try to perform system restore from your user account?
Let’s follow these methods and check if it fixes the issue.
Method 1: Login to your user account and start the RPC (Remote Procedure Call).
a. Press
Windows key+ R, type services.msc in the run prompt and press
Enter.
b. In the Services window, find
Remote Procedure Call and right click on it to select
Properties.
c. Under the
General tab make sure the
Startup type is
Automatic and the
Service status says
Started.
Method 2: Try to create a new user account from your current user account.
How to create and configure user accounts in Windows XP
http://support.microsoft.com/kb/279783
Method 3: If the issue still persists, refer to the “Method 2: Repair install of Windows XP by starting your computer from the Windows XP CD” from the following article.
http://support.microsoft.com/kb/978788
Hope this helps. If the issue persists or if you have any Windows related queries please get back to us. We are happy to help you.