Mein apne P4 per AVG Antivirus use kar raha hon but woh CPU Usage bht zyada le raha hy and PC bht slow chal raha hy mujhe koi aur antivirus recommend karo jo acha bi ho aur pc b slow nah ho

Here is my system spec.

Intel (R)
Pentium(R) 4 CPU 2.40GHz
512 MB of RAM
80 GB HDD
Windows XP SP 2