# Troubleshooting > Solve TX Spell .NET for WPF problems from the symptom: a TXSpellChecker unknown in XAML, package errors, trial dialogs, dictionaries not found and deployment. - **Product:** TX Spell .NET for WPF - **Section:** Documentation - **Kind:** Topic - **Path:** TX Spell .NET for WPF > Troubleshooting - **677 words** - **Web URL:** https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/ - **LLMs URL:** https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/llms.txt - **LLMs-Full URL:** https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/llms-full.txt --- A package isn't found, the spell checker can't be declared in XAML, or TX Spell .NET reports that it can't find its dictionaries. What you see usually tells you where to look, and each page of Troubleshooting starts from such a symptom, quotes the message where TX Spell .NET shows one, explains the cause and gives the steps that fix it. ### Find the Right Page | If you see | Read | |---|---| | A TX Spell .NET package isn't found, doesn't install or lacks the class you need | [Installation and Package Restore](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/installation/llms-full.txt) | | The spell checker isn't in the toolbox or not known in XAML, or spell checking doesn't start | [Toolbox and Designer](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/toolbox/llms-full.txt) | | A dialog about the trial version appears every fifteen minutes | [Licensing](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/licensing/llms-full.txt) | | "Neither a Dictionaries directory was found", a wrong language, or no hyphenation or synonyms | [Dictionaries Not Found](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/dictionaries/llms-full.txt) | | An application that checks spelling on your machine but not on the machine of a user | [Deployment](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/deployment/llms-full.txt) | | Some misspelled words aren't marked, a call throws an exception, or the Document Editor marks no words | [Spell Checking](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/spell-checking/llms-full.txt) | ### Collect the Evidence First Most problems are quicker to solve with the right information at hand: - **The message.** The messages about missing language data name the folder that TX Spell .NET looked for, and some add the path it searched. See [Dictionaries Not Found](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/dictionaries/llms-full.txt). - **The folders next to the application.** TX Spell .NET reads its language data from four folders: *Dictionaries*, *HyphenationLists*, *SynonymLists* and *LanguageRecognition*. Check that they exist in the folder of the executable. - **The package version.** The current version is 11.0.1, which is Service Pack 1 of version 11.0. See [Service Packs](https://docs.textcontrol.com/tx-spell-dotnet-wpf/whats-new/service-packs/llms-full.txt). ### Where to Start 1. **A new project doesn't build:** start with [Installation and Package Restore](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/installation/llms-full.txt), then [Toolbox and Designer](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/toolbox/llms-full.txt). 2. **Spell checking doesn't work:** [Dictionaries Not Found](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/dictionaries/llms-full.txt) first, then [Spell Checking](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/spell-checking/llms-full.txt). 3. **The application fails on another machine:** [Deployment](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/deployment/llms-full.txt) first, then [Dictionaries Not Found](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/dictionaries/llms-full.txt). If a problem started after an update, check the [Breaking Changes](https://docs.textcontrol.com/tx-spell-dotnet-wpf/whats-new/breaking-changes/llms-full.txt) of the versions you skipped. The [Deployment Guide](https://docs.textcontrol.com/tx-spell-dotnet-wpf/deployment/llms-full.txt) describes the files an application ships. When none of these pages solves the problem, Text Control's support team helps registered users and developers who evaluate the trial version free of charge; [Getting Help](https://docs.textcontrol.com/tx-spell-dotnet-wpf/#getting-help) says how to reach it. --- ## In This Section - [Deployment](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/deployment/llms-full.txt): Fix a WPF application that checks spelling only on the development machine: assemblies and language data to copy, win-x64 publishing and the dialog language. - [Dictionaries Not Found](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/dictionaries/llms-full.txt): Fix missing language data in WPF applications: folder errors, rejected hyphenation and synonym lists, wrong languages, language detection and user dictionaries. - [Installation and Package Restore](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/installation/llms-full.txt): Fix package problems of TX Spell .NET for WPF: TXTextControl.TXSpell.WPF.SDK not found, error CS0246 below .NET 8, a missing TXSpellChecker and old references. - [Licensing](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/licensing/llms-full.txt): Fix license problems of TX Spell .NET for WPF: the recurring trial dialog, txspell.wpf.license and the licenses.licx entries of TXSpellChecker and TXSpell. - [Spell Checking](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/spell-checking/llms-full.txt): Fix spell checking in WPF: words left unmarked, IgnoreCase and IgnoreWord errors, calls that throw while the dialog is open, Create and the Document Editor. - [Toolbox and Designer](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/toolbox/llms-full.txt): Fix design-time problems of TX Spell .NET for WPF: a spell checker missing from the toolbox, the XAML resource declaration and a TextControl not connected. --- ## Nearby - **Previous:** [Application Licensing](https://docs.textcontrol.com/tx-spell-dotnet-wpf/deployment/licensing/llms-full.txt) - **Next:** [Installation and Package Restore](https://docs.textcontrol.com/tx-spell-dotnet-wpf/troubleshooting/installation/llms-full.txt)