At first I thought it was a NoScript issue, but now I just confused .
Separately, 220.127.116.11 looks to not like Microsoft. (Understandable.)
URL: Microsoft Security Essentials Beta - http://www.microsoft.com/security_essentials/
This one may be a bit tough for you (try proxy), but other should be able to confirm?
With 18.104.22.168, I (living in the USA) am redirected to http://www.microsoft.com/security_essentials/market.aspx which states:
Not available in your country or region
You appear to be in a country or region where the Microsoft Security Essentials Beta is unavailable.
This beta is available only to customers in the United States, Israel (English only), People's Republic of China (Simplified Chinese only) and Brazil (Brazilian Portuguese only).
No cookie is being set. (What would be set is, mkt=en-us.)
22.214.171.124 works. Or maybe it doesn't? I'm totally confused on this one.
In a different Profile, with (I thought it was) 126.96.36.199, things worked correctly?
But now I'm being redirected - even with NoScript disabled?
SeaMonkey 1.1.17 & NoScript 188.8.131.52 are working.
SeaMonkey 1.1.17 & NoScript 184.108.40.206 are working.
FF 3.0.10 & NoScript 220.127.116.11 are working.
Gecko/20090206 Minefield/3.2a1pre & NoScript 18.104.22.168 are working.
I know it worked at least once in SeaMonkey 2?
I totally wacked on this one - splitting ?