# Exceptions and Error Handling

> Catch FilterException and LicenseLevelException in WPF code-behind, check return values, handle Task.Run errors and use DispatcherUnhandledException.

- **Product:** TX Text Control .NET for WPF
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for WPF > Document Processing > Exceptions and Error Handling
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/llms-full.txt

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## On This Page

- [How TX Text Control Reports Errors](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/#how-tx-text-control-reports-errors)
- [TX Text Control Exceptions](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/#tx-text-control-exceptions)
- [Catch Errors When Opening a Document](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/#catch-errors-when-opening-a-document)
- [Handle a Feature of Another Edition](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/#handle-a-feature-of-another-edition)
- [Catch Errors of Background Work](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/#catch-errors-of-background-work)
- [Handle Exceptions Nobody Caught](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/#handle-exceptions-nobody-caught)
- [Next Steps](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/exceptions/#next-steps)

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## Nearby

- **Previous:** [Using ServerTextControl in Desktop Applications](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/servertextcontrol/llms.txt)
- **Next:** [Conditional Instructions](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/document-processing/conditional-instructions/llms.txt)