ShadowFreeze keeps your PC in a known-good state. You take a snapshot of a disk partition — or your
whole Windows system drive — and from that moment on every change is written to a temporary shadow
instead of the real disk. When you reboot (or unfreeze on demand), all of those changes vanish and the
partition returns exactly to how it was at the moment you froze it.

Now with fully signed driver, still in beta though try at your own risk.

Download: https://shadowfreeze.com/Downloads/ShadowFreeze-v1.0.3.exe

And the website is also ready: https://shadowfreeze.com/