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Error: EventType clr20r3 when installing or opening TurboTax

This message appears when attempting to install TurboTax:

TurboTax installer has encountered a problem and needs to close
EventType: clr20r3

The event type code might vary slightly, for example clr20r3t1.

A similar message with this error code can also occur when starting (opening) TurboTax.

Solution

This may be caused by damaged .NET files.

To resolve this, try repairing and/or reinstalling the .NET Framework.


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