<p>After clone new project on which I am working, and after <code>dotnet restore; dotnet run</code> commands I received following message:</p>
<div class="gist-block embed-wrapper" data-gist-show-loading="false" data-id="bcbc62d71a95f8f1506cd9afd41b4552"><div class="embed-loading"><div class="loadingRow"></div><div class="loadingRow"></div></div><a href="https://gist.github.com/PadreSVK/bcbc62d71a95f8f1506cd9afd41b4552" class="embed-card" data-card-width="600px" data-card-key="2e4d628b39a64b99917c73956a16b477" data-card-controls="0" data-card-theme="light">https://gist.github.com/PadreSVK/bcbc62d71a95f8f1506cd9afd41b4552</a></div><p>Instruction in message is clear and after run <strong>dotnet cli</strong>  cmd and confirmation below dialog everything works fine<br><code>dotnet dev-certs https --trust</code><br><img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1563173118281/VuEddiX02.png" alt="1.png"></p>
<p>If you have problem with valid SSL certificate, you must delete and create new dev certificate. This sometimes happened because of voodoo combination IIS Express and Visual Studio.  </p>
<div class="gist-block embed-wrapper" data-gist-show-loading="false" data-id="702703bc6dbe87dccd9bd23edd36c9c9"><div class="embed-loading"><div class="loadingRow"></div><div class="loadingRow"></div></div><a href="https://gist.github.com/PadreSVK/702703bc6dbe87dccd9bd23edd36c9c9" class="embed-card" data-card-width="600px" data-card-key="2e4d628b39a64b99917c73956a16b477" data-card-controls="0" data-card-theme="light">https://gist.github.com/PadreSVK/702703bc6dbe87dccd9bd23edd36c9c9</a></div><p>🤞 Happy codding 🤞</p>


After clone new project on which I am working, and after ```dotnet restore; dotnet run``` commands I received following message:

%[https://gist.github.com/PadreSVK/bcbc62d71a95f8f1506cd9afd41b4552]
Instruction in message is clear and after run **dotnet cli**  cmd and confirmation below dialog everything works fine  
```dotnet dev-certs https --trust```  
![1.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1563173118281/VuEddiX02.png)

If you have problem with valid SSL certificate, you must delete and create new dev certificate. This sometimes happened because of voodoo combination IIS Express and Visual Studio.  

%[https://gist.github.com/PadreSVK/702703bc6dbe87dccd9bd23edd36c9c9]

🤞 Happy codding 🤞

Problem with certificate for Kestrel