If you have already registered TurboCASH, and have entered the incorrect codes, or received new codes, you may remove or delete the registration codes. 

To delete registration of TurboCASH5:

1. Click on the Register icon (or on the Online registration icon) on the Start ribbon tab.

register-your-turbocash-delete-codes

You may also access this screen from Help → Online registration on the Action ribbon).

2.Click on the Delete button. The warning message will be displayed.

"This will remove your current registration and open the enter registration form! Do you want to cancel?"   

3.Click on the No button. This will delete (clear) your registration details (i.e. company name, serial number and unlocking code). 

4.Click on the Close button. The next time when TurboCASH is started, the Register icon will be displayed on the Start ribbon tab.