Quote Originally Posted by Avinash View Post
Windows defender is compatible. The reason, simple enough. it is part of Windows Vista and Windows 7. And almost all AV suites are compatible with these two OS.

Regarding MSE, i have never tested it long enough so cant provide you a comment too.
Thanks for the info about Win Defender, i downloaded it myself.
Validated windows, performed updates,scanning was fast, but i think the XP version is quite old, am i right?