ok, most often the windows updates result in a system freeze.

here the next things you can give a try:

INCREASE VIRTUAL MEMORY
In search type “This PC“, right click on it and choose “Properties“
Then click on “Advanced System Settings“
On “Advanced” tab where it says “Performance” click on “Settings“
Click “Advanced” tab
At the bottom you will see “Virtual memory“, click on “Change“
1. Uncheck “Automatically manage paging file size for all drives“
2. Check “Custom size“
3. In the “Initial size (MB)” type: 3000 (or directly 16000)
4. In the “Maximum size (MB)” type: 16000 (or more like 20k)
5. Click “Set” , then “OK” and “Apply“
Restart the rig

POWER PLAN AND OPTIONS
In search type “Power Options“
Click on “Show additional plans“
Select “High Performance” plan
Then still on “High Performance” plan, click “Change plan settings“
Select “Never” on all four selections for “Turn off the display” and “Put the computer to sleep“
Click “Change advanced power settings” and look for “PCI Express” -> “Link State Power Management“, make sure it is set to “OFF“, usually it is but better to check on that
Restart the rig

source: http://1stminingrig.com/best-windows-setup-configuration-tweaks-for-mining/

And you can also try a different Miner like Ethminer! https://github.com/ethereum-mining/ethminer/releases

What happens when you start mining an equihash coin, like btcz or zen?