GroupsWindowColumns
Contains columns order and widths for the "groups" dialog. The value is a section string like this:
[Title]115[Number]40[CreateDate]120[ChangeDate]120[Author]45
Widths are scaled to 100% DPI resolution.
Columns not listed in this parameter are appended to those listed in the parameter, using default widths. Column names other than those above are forbidden.
Possible values: (see text)
Default value: (empty)