Thanks every one. I'm not good at English, so please pardon my poor English. From Japan.
Windows 10 and 7, Arduino 1.6.8, Board manager IntelCurieBoards 1.0.5
Kaspersky(Kaspersky Internet Security 16.0.0, updated on 2016/4/23) has warned in the following message:
What should I do? Is it safe?