If you are using the TurboTax online editions, then clear cache and cookies on your web browser. If that does not clear the problem then change your web browser to either Google Chrome or Mozilla Firefox.
If you are using the TurboTax desktop editions for Windows, then follow this procedure -
Save your tax return and close the TurboTax program
Right click on the TurboTax icon
Click on Properties
Click on the Compatibility tab
Check the box Run this program as an administrator
Click on Apply and OK
Start the TurboTax program again and see if the problem persists.