Error: "We can't install TurboTax on your computer just yet..."
This error occurs when attempting to install TurboTax for Windows:
We can't install TurboTax on your computer just yet...
There seems to be a problem with some system files on your computer, but don't worry. We'll help you get it fixed up so we can get working on your biggest refund possible.
The message will appear if the .NET Framework on your system is corrupted.
To resolve this issue, follow the instructions in the article Troubleshooting Problems with the Microsoft .NET Framework.