Error 606 in TurboTax typically relates to connectivity or installation issues. Fixing it can take anywhere from 10 minutes to an hour, depending on the complexity. Users should ensure their internet connection is stable, clear any temporary files, and reinstall TurboTax if necessary. Restarting the computer and running the software as an administrator can also help resolve the error. If the problem persists, contacting TurboTax support may be required. To avoid such issues, always use the latest version. how to download turbotax software, visit the official TurboTax website, select your product, and follow the step-by-step installation instructions provided.