- Close Toad
- Go to C:\Users\<username>\AppData\Roaming\Quest Software\Toad for Oracle\XX.x\User Files\GUISettings *
- Rename dxGrid.TfrmLogin.TabControl1.grd to dxGrid.TfrmLogin.TabControl1.grd_bak
- Rename dxGrid.TfrmLogin.TabControl1.grdo to dxGrid.TfrmLogin.TabControl1.grdo_bak
- Launch Toad
* Where XX.x is the Toad version
It may be necessary to re-order some of the grid columns, if column order has been customized