IE proxy problem

Hi,

In my pc,

Default proxy in IE, Chrome is A (some proxy name) & when i change the proxy from A to B (some other proxy) in chrome, the changes are reflecting in IE also

Ie, IE proxy is changing from A to B automatically w.r.t Chromes proxy

My wish is to use one proxy in IE, and different proxy in Chrome

Kindly help in this issue

Thanks & Regards,

Venkat Sai