It's not fixed yet!
Windows 10 fully freezes after anniversary update

Finally this solution worked for:
Replacing an old HDD with ~5000 RPM with a new one with ~7000 RPM. (I used Acronis to Clone the HDD, so everything is as before)

How to `disable automatic maintenance`

"Most users should not disable Automatic Maintenance, but there can be a situation when you really need to disable it. For instance, if you faced a Blue...

If you have an NVIDIA graphics card, make sure its setting (Power management) is set to use "maximum performance" rather than "Adaptive".