Create resolve-telerik-license-vb-error-kb

Author: nade7o

knowledge-base/resolve-telerik-license-vb-error.md

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+---
+title: Resolving TelerikLicense.vb Build Error for Telerik UI for WinForms 2025 Q1 License Key
+description: Learn how to resolvr TelerikLicense.vb Build Error for Telerik UI for WinForms 2025 Q1 License Key
+type: how-to
+page_title: Resolving TelerikLicense.vb Build Error for Telerik UI for WinForms 2025 Q1 License Key
+slug: resolve-telerik-license-vb-error
+tags: licensing , key, winforms, wf, vb, error, build
+res_type: kb
+---
+
+## Environment
+
+| Product | Version
+| ---- | ---- |
+| Telerik UI for .NET WinForms | 2025 Q1 or later |
+
+## Description
+
+Updating .NET projects in Visual Basics with the new 2025 Q1 assemblies for Progress® Telerik® UI for WinForms results in a build error related to the TelerikLicense.vb file. The build error **"BC30034: Bracketed identifier is missing closing ']'"** occurs when trying to follow the instructions for adding the license key to the project. Additionally, the Telerik License Key view uses C# syntax, which the VB compiler does not understand.
+
+The cause of the build error is an incorrect syntax used in the **TelerikLicense.vb** file. The VB compiler does not recognize the C# syntax provided in the Telerik License Key view.
+
+## Solution
+
+To resolve the build error, use the correct VB syntax in the **TelerikLicense.vb** file. Replace the content of the TelerikLicense.vb file with the following VB syntax:
+
+````VB.NET
+
+<Assembly: Telerik.Licensing.EvidenceAttribute("...your license code string...")>
+
+```` 
+
+Replace *...your license code string...* with your actual license code string from your Telerik account.
+
+Alternatively, to prevent licensing warnings and make the license key available to all Telerik .NET apps you develop on your local machine, follow these steps:
+
+1. Go to the **License Keys** page in your Telerik account.
+2. Click the **Download License Key** button.
+3. Save the **telerik-license.txt** file to one of the following directories on your local machine:
+    * %AppData%\Telerik\telerik-license.txt (e.g., C:\Users\...\AppData\Roaming\Telerik\telerik-license.txt)
+    * C:\inetpub\wwwroot\telerik-license.txt
+    * C:\inetpub\telerik-license.txt
+    * C:\telerik-license.txt
+
+
+## See Also
+
+* [Setting Up Your License Key]({%slug license-key%})
+* [License Activation Errors and Warnings]({%slug license-errors-warnings%})
+* [Frequently Asked Questions about Your Telerik UI for .NET WinForms License Key]({%slug licensing-faq%})
+* [Adding the License Key to CI Services]({%slug add-license-to-ci-cd%})