Hey Julie, there is no Julie Lindgreen account on the mainsite. If you're sure you had a mainsite account, it's possible your forum name did not match your mainsite account and the mainsite account was subsequently deleted in our mainsite cleanout a few months ago. You can make a new mainsite account by registering here.
You didn’t break anything; the icon simply looks like that because Notes is now your default app to open .cfg files. This is similar to how a .pdf file might have a Microsoft Word icon: if Word is your default app to open a .pdf file, then the icon will be the Word icon.