If you are using the CD/Download version, please see the TurboTax FAQ below, for assistance with a connection error: TurboTax CD/Download Error: A secure connection is necessary
If you are using TurboTax Online, you may need to clear your cache and delete the cookies on your computer. Then sign out and reboot. You may also want to change browsers, for example, if you are using Chrome, try switching to Firefox.
If this is happening when you are trying to transmit, please also see this link for additional assistance.
