| Issue | Solution |
|-------|----------|
| Toolbox missing controls | Run DevExpress Toolbox Repair from Start Menu |
| “License not found” error | Re-run installer, select Repair / Reinstall Trial |
| Trial expired but project needed | Remove DevExpress NuGet packages, or use .NET Core isolated mode (limited) |
| Visual Studio crash after install | Run devenv /ResetSettings or disable CodeRush temporarily |
Solution: Add the DevExpress NuGet feed: https://nuget.devexpress.com/[your-trial-key]/api to Visual Studio’s NuGet sources. The key is found in your DevExpress account.
The trial setup installs over 200 demo projects. Located in Documents\DevExpress Demos\[version]\DevExpress.Demo.sln, this solution is a goldmine. Run it to: devexpress universal trial setup
Spend at least two hours exploring demos before writing a single line of your own code. This single step has been proven to cut development time by 30–40%.
Cause: Corrupted Visual Studio component cache or conflicts with other extensions.
Fix: Run Visual Studio in Safe Mode (devenv /SafeMode) to disable third-party extensions. Then repair the DevExpress installation. | Issue | Solution | |-------|----------| | Toolbox
The trial includes:
⚠️ The trial is time-limited, not feature-limited. All components work fully during the evaluation period. Solution : Add the DevExpress NuGet feed: https://nuget
Cause: A previous trial or expired commercial license exists on the machine.
Fix: Uninstall all DevExpress components, clean the registry (using a tool like CCleaner or manually removing HKEY_CURRENT_USER\Software\DevExpress and HKEY_LOCAL_MACHINE\SOFTWARE\DevExpress), then reinstall.
When you launch the downloaded executable, the DevExpress Universal Trial Setup wizard will guide you through several key decisions. Here’s how to navigate each screen correctly: