Merge pull request #581 from telerik/dess-licensing-tkl003

Update activation-errors-and-warnings.md

Author: dessyordanova

distribution-and-licensing/license-key/activation-errors-and-warnings.md

@@ -32,7 +32,7 @@ When using the product in a project with an expired or missing license, the _Tel
 |----|----|----|
 |`No Telerik or Kendo UI product references detected in project`|TKL001|<ul><li>If you use Telerik products and see this message, update the Telerik.Licensing package to version 1.4.9 or later.</li><li>If you do not use Telerik products, remove the Telerik.Licensing NuGet reference from your project.</li></ul>|
 |`No Telerik and Kendo UI License file found`|TKL002|[Install a license key]({%slug setting-up-license-key%}) to activate the UI components and remove the error message.|
-|`Corrupted Telerik and Kendo UI License Key content`|TKL003|[Download a new license key]({%slug setting-up-license-key%}#downloading-the-license-key) and install it to activate the UI components and remove the error message.|
+|`Corrupted Telerik and Kendo UI License Key content in: [file path or environment variable name]`|TKL003|<ul><li>If you use a `telerik-license.txt` file to activate the components, [download a new license key file]({%slug setting-up-license-key%}) and place it in your home directory. Make sure to use a license key and not a script key.</li><li>If you use the `TELERIK_LICENSE` environment variable to store your license key, [download a new license key]({%slug setting-up-license-key%}), update the content of the environment variable, and make sure it contains the entire key.</li></ul>|
 |`Unable to locate licenses for all products`|TKL004|Your license is not valid for all Telerik and Kendo products added to your project. If you have already purchased the required license, then update your license key]({%slug setting-up-license-key%}).|
 |`"Telerik Document Processing Libraries" product is not listed in your current license file.`|TKL101|Review the purchase options for the listed products. Alternatively, remove the references to the listed packages from _package.json._|
 |`Your current license has expired.`|TKL102|You are using a product version released outside the validity period of your perpetual license. To remove the error message, do either of the following: <br> - Renew your subscription and [download a new license key]({%slug setting-up-license-key%}#downloading-the-license-key). <br> - Downgrade to a product version included in your perpetual license as indicated in the message.|