Whenever posting questions on these forums, please give us as much information as possible about your computer. We need the operating system, processor speed, amount of RAM installed, brand name of the computer, (if there is one), and any EXACT error messages you are receiving, plus any other pertinent information you think might be helpful. Are you using a firewall? The more information you give us, the better informed our answer will be.
To find your IP address, while on the internet:
1. Click on Start-Run, type "cmd" (without the quotes), click on OK.
2. At the flashing cursor, type "ipconfig" (without the quotes), press the "Enter" key.
1. Click on Start-Run, type "winipcfg" (without the quotes), click on OK.
Hope this helps.