the windows alert block the HAXM_Driver is unsigned system driver and can not load the system driver on system startup，the window10 need sha-256 security signed but your HAXM_Driver has only sha-1 security signed
According to Microsoft (full article here):https://blogs.msdn.microsoft.com/windows_hardware_certification/2016/07/26/driver-signing-changes-in-windows-10-version-1607/
To summarize, on non-upgraded fresh installations of Windows 10, version 1607 with Secure Boot ON, drivers must be signed by Microsoft or with an end-entity certificate issued prior to July 29th, 2015 that chains to a supported cross-signed CA. We may fix this on next HAXM release. But unforturnate, right now, you only can try with Secure Boot OFF, maybe that is a work around, if you success, please let us know.
FYI, this issue is also tracked here: https://code.google.com/p/android/issues/detail?id=221594