CPU Running Hot

Hi there:

My CPU is running hot, and the fan is very loud. Sometimes it runs so hot that it just shuts down. Any thoughts on what I should do?

Thanks,

Wes

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft® Windows Vista™ Home Premium, 32 bit
Processor: Intel(R) Pentium(R) Dual CPU T2330 @ 1.60GHz, x64 Family 6 Model 15 Stepping 13
Processor Count: 2
RAM: 2037 Mb
Graphics Card: Mobile Intel(R) 965 Express Chipset Family, 448 Mb
Hard Drives: C: Total - 152624 MB, Free - 65160 MB;
Motherboard: Intel Corporation, SANTA ROSA CRB
Antivirus: Microsoft Security Essentials, Updated: Yes, On-Demand Scanner: Enabled