I checked my system restore settings (in windows 10 just type in search “System restore”) and tried to to turn on System Protection by going into System Properties and clicking the “Configure” button. But my “Turn on System Protection” option was disabled and I was unable to select it :
This puzzled me for a while until I realized I selected a non-system drive and if you do that Windows won’t let you turn on system restore. So I went back to System Properties, System Protection tab and selected my system drive:
Then when I clicked “Configure” the option to turn on system protection was available:
Simple, but not immediately obvious and wasted some time. The strange thing is also is that once I enabled it for the C drive it then allowed me to enable for non-system drives. Weird. Hope this helps someone.