TurboTax Error Code 0510 is a runtime error that appears as a pop-up on your computer screen. You can have a look at the troubleshooting steps given below to fix the issue: • Step 1: Delete and then re-install the latest version of TurboTax. • Step 2: Update your Windows software before you open a tax file. • Step 3: Scan your system and fix any registry files that may be damaged. • Step 4: Go to the TurboTax website and update your software. • Step 5: Restart your computer and try and open the tax file once again. • Step 6: Perform a disk cleanup and clear any junk files that harm TurboTax. If you find the error persists, you can call the TurboTax customer support number and ask for assistance so that you can implement more advanced solutions.