The Windows 10 November Update adds some nice new features such as find my device and colored title bars. It also had some nasty surprises such as resetting user settings including the telemetry “features” I disabled using ShutUp10 as well as resetting my default programs. Another feature it changed on me that messed up my Ubuntu 15.10 installation was enabling Fast Startup again after I disabled it previously. If you dual boot Windows and Linux and share your files between both OS’s using an NTFS formatted partition, you may find yourself unable to boot into Linux after the update if you automount using fstab.