Which is the Safest, Secure UserAgent for Browsing...?

by mohammad_tns - 5/30/12 11:49 AM

Kindly provide me with the XML coding like
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648)

please tell me which is the best secure private safe browser agent to use for browsing and occasional downloading...