I must admit I gave up. I tired installing the Home-edition instead, and it now works with the update.

Thank you for your help. :-)

THank you for helping me, but I ran in to a bit of a problem...

I made a USB with the Recobery stuff on it and copied the .iso to it - so far, so good.

I then ran sfc /scannow twice, and it...

First of, my apologies if the names of things are incorrect - I'm running windows in Danish, and I'm not always sure of the names for the different things in the english version. But, here goes;
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