Can anyone help me!!! My Cpu usage is 0% but physical memory is 27 %, 33 processes and i dont have any programms installed just my driver for my video card and sound card!!! 

My Computer
- Computer Manufacturer/Model Number
- Gigabyte
- OS
- Windows 7 Ultimate 32bit
- CPU
- Intel Pentium Dual-Core E5400 2.70Ghz
- Motherboard
- Intel G31 chipset
- Memory
- 2 Gb
- Graphics Card(s)
- MSI Nvidia Geforce 8600 GT 512 MB ddr3
- Sound Card
- intergrated
- Monitor(s) Displays
- Acer Monitor 20 inch
- Hard Drives
- 250 GB hard drive
- PSU
- unknown
- Case
- Comtrade
- Cooling
- Cooler Master