I think Birba is talking about the File Types configuration window rather than listers, and his problem is that the File Types window does not remember (autosave) its listview column widths. (It does remember the window size, though, so I think listview column persistence would be almost trivial to add.)
[quote="Christiaan"]Did you read this faq:
[url]Folder Formats: Quick Guide]
And, for example, this post:
[url]Column sizes aren't remembered]
[/quote]