Hello and welcome,
In order to troubleshoot your problem we need to know more detailed specs of your system hardware.
1. Go to Start > Run, and type msinfo32, look under the Components section for hardware identification
2. Go to Control Panel > Device Manager and look for any entry that has a yellow flag beside it
3. The manufacturer name and model number of your PC, if applicable
4 .Go to Start > Run, and type eventvwr.exe and look over the application and Sytstenm logs for errorss or warnings and provide the EventID #
5 Please fill out your computers specs in the User Control Panel here on the site as well. It will then appear next to your name. look at my posting and you'll see the drop-down arrow.
Your exact make and model of nmotherboard would be of great help.
Also, was this a "clean" instyall, or an upgrade?
No, you cannot kill svchost...It provides services for your internet conmnection.