To Delete Corrupt Tax Tables:
Display the State Fuel Tax Table window as outlined in About Fuel Tax.
Click
the Delete
button
located in the State Fuel Tax Table window. A Delete
dialog box is displayed.
Click Yes. The Delete Tax Table dialog box is displayed.
Click Yes. The Truckers Helper deletes the displayed table. (Do this for all tables in the program.)
After the Tables have been deleted choose File from the State Fuel Tax Table Main menu bar. From the File pulldown menu choose Import. The Import State Tax Tables window is displayed.

Click to highlight a Quarter from the list.
Click
the Import
button.
Repeat for each table you wish to Import.
Click
the Exit
button
to close the Import State Tax Tables.
Close the State Fuel Tax Table window.
Your Tax Records are now restored.