As a TurboTax user, you may have encountered certain technical errors that make it difficult to file your tax returns. TurboTax Error Code 0510 is a common runtime error that appears when you are trying to open a tax file. The error generally occurs because of some of the TurboTax software files are damaged or missing. You can use the disk clean up tool to clear your system and fix Error 0510. In case the error is still not resolved, you can call the TurboTax customer support number and consult a professional software expert to troubleshoot the problem.