A Stack Overflow error can appear when you disconnect from the Internet and have the TOAST.net Dialer installed.
The TOAST.net Dialer may have been damaged, or security software on the computer may be blocking portions of the Dialer from working correctly.
Uninstall and reinstall the TOAST.net Dialer:
- Right click on the TOAST.net icon on the Windows Desktop.
- Select "Uninstall" and follow the prompts.
- Run the TOAST.net Setup Wizard.
- If you are running any 3rd party security software that features a firewall, make sure no TOAST.net components are being blocked.