So I've managed to solve errors to the extent I'm able to run the map editor. The trouble is that I can not use brushes and when I try to import anything apart from maps it closes down.
I have not managed to solve the error where patchnotes can not locate SupremeCommander.exe when it is given the correct directory thought. Although This is steam version of supremecommander, so the version should be the newest anyway and I don't think updating supcom with patchnotes matters.
Can you help me with resolving this map editor error?