[sylpheed:37248] Mail type column categories sliding over

Win32, Thread View. After years of the New/Unread/Total columns
remaining stable in fully readable positions, last week they got
loose, covered in part by the main area to the right at most each start
up. Now I'm having to reset them every day. A long time ago I had
this problem and don't recall having figured out how to get them stable,
more it just happened one time. Any suggestions for a stable reset?

Gene Goldenfeld