Nice idea. I can see where you're coming from there.

Made no difference though. (And I didn't have to replay mission 1, either)

Think I'm going to have to put this one on the back burner for now. I'll see if it still happens after the next game update.

Thanks everyone for all of your suggestions.

Running as administrator has the same result. Folder and file permissions all look fine. My account is the owner and has full control permissions on source and target folders and files. I've uninstalled and reinstalled Factorio. No change. I've tried everything I can think of (I'm an ex software dev...

Yes, the source file is there. I can preview the png and it displays OK so it doesn't seem to be corrupted.

As I said in my 1st post, I've copied that file over manually before launching factorio and I still get the same error when I start First Steps, mission 2

Thanks for the suggestions.

I've deleted the folder and let the game recreate it - no change.

I've excluded both the source and target folders from my antivirus - no change.

I do use OneDrive, but C:\users\... is not one of the folders that it syncs so that shouldn't be causing it.

I bought the game through Steam a couple of days ago. I played through First Steps mission 1 OK but when I go to launch mission 2 I get the following popup error: "copy_file "D:/Steam Installs/steamapps/common/Factorio/data/base/campaigns/demo/level-02/inserter-explanation.png" to &qu...