OK, could someone please help.
I followed Karls advice exactly, but I ended up with only one 'light' image.
I did as he said with all the settings (except I couldn't find the boxes 'single image' and 'Web Mode') and took the darks. Envisage took 50 darks for me ranging from 1 second to 60 seconds. I even named them 'NGC 2070 Darks'. When they had finished the window popped open that says 'Uncover you Scope'. I did that.
Then I clicked start. The name in the 'Name' box changed to 'Deep Sky'.
It happily took lights until I got to 10 images (was only a trial so I didn't need 50 images) then I clicked 'Stop'.
Now this is where I need help. After I click 'Stop', what do I do then? Where did the stacked images go? I left it as default: C\Meade Images & C\Meade images Darks
Do I click on 'Save'? Do I click on 'What tha!'?
I have searched the whole computer and I can only find 1 saved image: Number 10 light called 'Deep Sky 2'.
The darks are gone (I even clicked on 'delete old darks' in the 'Take darks' setting) and the combined 10 images are gone (I clicked on 'Combine'). I also clicked on 'Sub Darks' to subtract the darks!
Where have I gone wrong?