Repairing the .NET Framework

Repairing the Microsoft Windows .NET framework can resolve system-related issues that prevent TurboTax from installing successfully.

Make sure you follow every step to properly repair the .NET framework.

1. First, make sure your version of Windows is up-to-date by clicking here and following the steps.
2. After verifying or updating Windows, click the Start button on the Windows taskbar and choose All Programs > Accessories.
3. Right-click Command Prompt and select Run as administrator. If prompted, click Continue or Yes in the User Account Control window. 
   • Windows XP: Right-click Command Prompt and select Run as…. Select The following user, then enter the username or select it from the drop-down list. After entering your password, click OK.
4. In the black Command Prompt window, type sfc /scannow (include a space after sfc) and press Enter.
5. Wait for the scan to complete. This may take some time, depending on the speed of your computer system.
6. After the scan completes, restart your computer.
7. Windows XP only:
   1. On the Windows taskbar, click Start, then Control Panel.
   2. Select Add or Remove Programs.
   3. In the list, select the version of Microsoft .NET to be repaired (e.g., Microsoft .NET Framework 3.5), and then click the Change/Remove button.
   4. On the Maintenance Mode screen, select Repair, and the follow the on-screen instructions.