Is the Windows 10 Anniversary Update freezing on you? Let us know... - Windows 10 News and Updates

Have you had problems with your computer freezing upon logging in since you installed the Windows 10 Anniversary Update?

Microsoft is aware of the problem.

According to some user feedback we have received, the freezing issue occurs on machines “with the operating system stored on a solid-state drive (SSD) and apps and data stored on a separate drive.”
Recommendation in article- roll back.