Save $100 with promo code CHEERS2025

As we are looking forward to an incredible 2025, enjoy our end-of-year promotion! Valid now through January 6th.

See Pricing

Still using Radzen Studio?
Achieve more with Radzen Blazor Studio

Radzen Blazor Studio is our new flagship product and vision of how rapid Blazor application development should be done.

Go to Radzen Blazor Studio

Troubleshooting

Installation errors

Sometimes overzealous antivirus software prevents certain files from copying during Radzen installation and you might get errors similar to:

To fix this error:

  • Uninstall Radzen.
  • Delete the entire Radzen installation directory (Program Files\Radzen for Windows) if exist.
  • Run the installation again.

Design-time errors

Radzen will log all design-time errors in a log file located as follows:

Windows

%APPDATA%\Radzen\log.txt

macOS

~/Library/Application Support/Radzen/log.txt

Linux

~/.config/Radzen/log.txt

or

$XDG_CONFIG_HOME/Radzen/log.txt 

Runtime errors

JavaScript

JavaScript errors can be observed easily using Chrome/Microsoft Edge/Mozila FireFox/Safari developer tools console

ASP.NET Core

Server and ASP.NET Core errors can be observed in the browser developer tools console and Radzen Output pane

IIS

If .NET Core Runtime for Windows Server Hosting is not installed you will get the following error:

Please visit IIS deploy article to know more about IIS deploy requirements.

When deployed on IIS Radzen application will log errors in a log file located in the root folder of the deployed application.

%SYSTEMDRIVE%\inetpub\wwwroot\[APPLICATION_NAME]\radzen_#####_##########.log