Log out of The Raiser's Edge before going through these steps.

1) Go into the Start Menu of the workstation and choose Run.
2) Type ODBCAD32 into the run line and press enter.
3) Go to the System DSN tab
4) Find the RE_7GL, highlight this and choose to remove this option
5) Choose to Apply the changes and click ok.
6) Log back into The Raiser's Edge and you will be able to go into Configuration successfully.

Note: This removes the interface between The Raiser's Edge and The Financial Edge.

To add this integration back:
How to interface The Raiser's Edge with The Financial Edge (includes demo)