Microsoft Antispyware... !

El Microsoft Antispyware me esta sacando siempre este mensaje al finalizar
un scan, Internet Explorer start page en about:blank.
Supongo que no es malo pero porque lo considera como una amenaza? Siempre le
doy remove pero vuelve y aparece.
Gracias!
Possible Browser Hijack

Type: Browser Modifier

Threat Level: High

Description: Possible Browser Hijack redirects Internet Explorer.

Advice: High-risk items have a large potential for adverse effect, such as
loss of computer control, and should be removed unless knowingly installed.

About Browser Modifier: Software that changes browser settings, such as the
homepage, without adequate consent