Tools → Reset configuration deletes the AppData preferences file
(config.json), skips writing session on close, and restarts the app.
Named presets and local rename logs are kept.
After reset, window size, last folder, and filter starting options return to first-launch
values.
If MFR 7 user data is still present under
%ProgramData%\FineBytes\MFR\, the next launch can show the
Import from MFR 7 offer again.