First off, this is the FAQ Emporium. This isn't a FAQ, so it shouldn't be posted here. Pay better attention next time.
If you have a process that's pegging the CPU usage, you need to determine what process is causing the high CPU usage. If that process can be disabled or reconfigured to use less CPU, that's the ticket.
Start with the Task manager: Ctrl-Shift-Esc and check the processes tab.