1,336 questions with Developer technologies | .NET | .NET Runtime tags

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5 answers

The retirement announcement for all Dotnet8

The retirement announcement for all Dotnet versions, ASP.Net Core, DotNet8 isolated and Dotnet8 LTS

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-06-11T12:14:42.27+00:00
Muthusamy, Reegan 45 Reputation points
commented 2026-08-18T10:47:55.5+00:00
Nancy Vo (WICLOUD CORPORATION) 8,075 Reputation points Microsoft External Staff Moderator
0 answers

how to fix azure app configuration connectivity issue using managed idnetity

we have created Azure app configuration and used it through managed identity. for this we follow the steps as below enable system assigned identity in app service In app configuration we have add role as configuration data reader to app service use…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2025-05-20T12:27:13.27+00:00
Shaheda Ansari 0 Reputation points
commented 2026-07-30T15:01:37.51+00:00
JuliaMarvin 21,330 Reputation points Volunteer Moderator
2 answers

.NET app fails to start: hostpolicy.dll and runtimeconfig.json missing (self-contained app not properly packaged)

I am trying to run a third‑party .NET application (DBusWorld Launcher), but the executable fails immediately with the following error: A fatal error was encountered. The library 'hostpolicy.dll' required to execute the application was not found in the…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-16T21:13:06.7633333+00:00
Kemotkowy 0 Reputation points
edited a comment 2026-07-24T15:33:09.2433333+00:00
Kemotkowy 0 Reputation points
3 answers

Microsot NET Framework 3.5 Stuck downloading.

Downloading this for steam games, but it keeps stalling like this. I've already tried to solve this by reinstalling windows and checking for outdated drivers. Used disk checker, sfc scan and other repair commands on cmd prompt. PLS HELP..

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-14T17:34:17.4333333+00:00
Aman Kaushik 0 Reputation points
commented 2026-07-22T02:16:53.4333333+00:00
Nancy Vo (WICLOUD CORPORATION) 8,075 Reputation points Microsoft External Staff Moderator
4 answers

How to prevent DLL hijacking when publishing into a single file

Hi, I've been making a C# WPF app that I publish into a single file. However, a coworker pointed out that it is vulnerable to Dll Hijacking. For example, if I make a fake "kernel32.dll" and put it into the same folder, it will find and run that…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-06T17:20:13.8666667+00:00
McBride, Casey 5 Reputation points
commented 2026-07-21T18:20:25.5366667+00:00
McBride, Casey 5 Reputation points
2 answers

Azure Functions (.NET Isolated Custom Container) - Runtime Version "Error" and Function Host unavailable

We are experiencing an issue with an Azure Function App hosted on Linux using a custom .NET Isolated container based on the image: mcr.microsoft.com/azure-functions/dotnet-isolated:4-dotnet-isolated7.0-appservice. The Function App is in a Running state,…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-07T15:33:26.7933333+00:00
Ben Hmida, Syrine 0 Reputation points
commented 2026-07-15T10:56:10.2133333+00:00
Danny Nguyen (WICLOUD CORPORATION) 8,275 Reputation points Microsoft External Staff Moderator
1 answer

fix net framework 3.5 on insider program

trying fix net framework 3.5 on the insider program

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-07-03T09:47:36.8566667+00:00
IAN HAMMO 0 Reputation points
commented 2026-07-09T08:47:07.1733333+00:00
Damien Pham (WICLOUD CORPORATION) 1,965 Reputation points Microsoft External Staff Moderator
2 answers

How do I fix .NET runtime installation error?

I keep getting a message to download and install .net runtime, x64, V 8.0.11. I downloaded the repair tool and it could not fix the problem. I have no idea how to fix this problem. suggestions?

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-05-24T17:40:44.9866667+00:00
Reg Keegan 0 Reputation points
commented 2026-07-08T03:15:02.4733333+00:00
Lizzy Dinh (WICLOUD CORPORATION) 700 Reputation points Microsoft External Staff Moderator
2 answers

How to fix the "dotnet-host-8.0.27-win-x64.msi" missing error for .Net

I am receiving a pop up window from the Microsoft.NET Host: C:\ProgramData\Package Cache{FE436680-E3E9-4BDB-A1C9-AA9DCD76752F}v64.108.52182\ and it is empty

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-06-24T16:05:46.1666667+00:00
Markus Brox 5 Reputation points
commented 2026-07-03T02:55:07.26+00:00
Tom Tran (WICLOUD CORPORATION) 5,705 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

Creating a large JSON with Utf8JsonWriter is very slow in a native AOT library

Hello, In a personal project I'm creating a fairly large JSON document, 150MB, using Utf8JsonWriter in C#. It is reasonably fast when compiled to managed, NET 10, code - it finishes in 6 seconds. However, when published to native AOT, the same process…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-06-20T10:40:28.79+00:00
Don Z 75 Reputation points
accepted 2026-06-24T10:27:45.0633333+00:00
Don Z 75 Reputation points
3 answers

Version mismatch for retail realm package

New update by retail realm provided a package that is targeting to .net6.0 framework but my application run on net standard framework 2.0 . Does RR supports is multi targeted frameworks and or are you able to provide RR that is compatible with .NET…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-06-16T17:57:46.9433333+00:00
Tiwana, Ramandeep 0 Reputation points
commented 2026-06-24T10:05:45.93+00:00
Damien Pham (WICLOUD CORPORATION) 1,965 Reputation points Microsoft External Staff Moderator
2 answers

can't load dotnet 10 sdk

I get Failed to load [C:\Program Files\dotnet\host\fxr\10.0.9\hostfxr.dll], HRESULT: 0x800700C1 Ensure the library matches the current process architecture: x64 The library hostfxr.dll was found, but loading it from C:\Program…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-06-23T05:46:10.7966667+00:00
Shao, Seth 0 Reputation points
commented 2026-06-24T07:41:47.8433333+00:00
Damien Pham (WICLOUD CORPORATION) 1,965 Reputation points Microsoft External Staff Moderator
2 answers

Does CipherSuitesPolicy always throw PlatformNotSupportedException on Windows?

We have a .NET 8 ASP.NET Core application running on Windows Server 2019. The application uses Kestrel with HTTPS configured as follows: csharp httpsOptions.OnAuthenticate = (context, sslOptions) => After upgrading, the service crashes immediately…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,336 questions
asked 2026-06-18T05:41:12.13+00:00
ni 0 Reputation points
answered 2026-06-22T09:48:49.51+00:00
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 2,285 Reputation points Microsoft External Staff
2 answers

ClickOnce Deployment – Promoting the Same Tested Build from UAT to Production

We have a .NET application developed using Microsoft ClickOnce technology. The application is digitally signed as part of the release process before being delivered to the client environment.   Our client uses uDeploy to manage deployments across…

Developer technologies | .NET | .NET Runtime