Error: "An unexpected and serious error" when starting a return

Updated: 1/25/2011

Article ID: SLN12467

The following error is displayed when starting a new return in TurboTax

An unexpected and serious error has occurred

We've found that systems receiving this error usually have system issues preventing TurboTax from running correctly. To resolve this issue, follow all the steps in the following Knowledge Base article:

Troubleshoot Installing and Running TurboTax (Windows)

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