GMAIL keeps giving me suspicius login warning

[Andre o Botelho]

Have someone had this problem, I've checked the IPs and they are all from microsoft so I think is a redirect login from MS servers:
Browser sign-in attempt
Prevented
Estados Unidos(USA)
IP Address: 168.62.202.5
May 16, 2013
11:01:05 AM

Browser sign-in attempt
Prevented
Estados Unidos(USA)
IP Address: 168.62.202.5
May 23, 2013
11:19:19 AM

Browser sign-in attempt
Prevented
Estados Unidos(USA)
IP Address: 168.62.202.5
May 30, 2013
12:08:46 PM

I think WP apps are doing it the wrong way but I cant find what it the guilt.