to run this application you must install .net core about wgserverforwindows HOT 17 OPEN

@micahmo Thanks for the quick reply. Here's the system log entry:

Description: A .NET Core application failed.
Application: WgServerforWindows.exe
Path: C:\Program Files (x86)\WS4W\WgServerforWindows.exe
Message: You must install or update .NET to run this application.

App: C:\Program Files (x86)\WS4W\WgServerforWindows.exe
Architecture: x64
Framework: 'Microsoft.WindowsDesktop.App', version '3.1.0' (x64)
.NET location: C:\Program Files\dotnet\

The following frameworks were found:
  5.0.17 at [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  6.0.6 at [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  7.0.8 at [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Installing the .NET desktop 3.1.32 runtime appears to have fixed it.

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Everything worked perfect until the app was launched post-install, after which the option to get .NET pops up. Answering either Yes or No has the same result: the app is immediately closed.

It would probably be ideal to implement a different or redundant method of installing this dependency, but hopefully this helps!

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Hi @heatsiphon, sorry to hear about this issue! Let me clarify a couple things first.

1. This application currently targets .NET Core 3.1, which is why installing 6 and 7 didn't help.
2. However, the installer is supposed to automatically install the necessary dependencies (i.e., the 3.1 runtime).

Did you try to install the latest version (2.0.10)? If so, did you receive the following prompt and press install here? And if so, did that seem to succeed?

I just tested the installer on a clean Win 11 with all updates (as of today). The installer worked and the app ran fine.

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@heatsiphon, you didn't answer my question about whether the WS4W installer prompted you to install .NET Core, and if so, whether it worked? If you're intentionally trying to install it manually, that's 100% fine, I'm just curious because this is supposed to all be automatic.

When I click the download it now button, nothing happens at all.

What are you downloading?

Here are my installed runtimes.

If there was supposed to be a screenshot here, I don't think it came through. 😞

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@heatsiphon You still have not answered my original question. 😊 Maybe I'm asking the wrong question, and you're welcome to tell me that, but otherwise it's a key piece of information that I'm missing. The WS4W installer should prompt you to install .NET Core 3.1. Did it do so? Did it work?

If you don't want to use the installer or you don't want to install .NET Core this way, that's totally fine. I just need to know that to help you troubleshoot.

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When the dialog box appears, what are you launching? The installer (named something like WS4WSetup-2.0.10.exe) or the application itself (WgServerforWindows.exe)?

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Thanks, I see you're launching the app itself, which is what I suspected. It is built to use the AnyCPU target, which can work on 32- or 64-bit operating systems. It prefers 64-bit. The placement in Program Files (x86) is for legacy reasons and is very common. (Many apps you launch from that directory are 64-bit.)

You also confirmed that still haven't answered my original question about the installer (WS4WSetup-2.0.10.exe). When you launch that executable to install the application, it is supposed to prompt you to install .NET Core 3.1. Have you run the installer? Does it give you that prompt? Does it appear to work?

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When I run the application, that’s where it asks me the .net core question. Not the installer.

Whew, ok great, this is what I was looking for. The installer never prompted you to install .NET Core as shown in the original response, right?

It makes that determination by checking the installed runtimes in the registry. Can you check this registry key and let me know what you have?

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\dotnet\Setup\InstalledVersions\x64\sharedfx\Microsoft.NETCore.App

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Hi @heatsiphon, I recently experienced this issue with another app, so I have a new suggestion. Can you check Event Viewer > Windows Logs > Application (after trying to start WS4W)? In my case, it said it there was an issue loading a DLL for .NET 7.0.5 (C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.5). However, that folder was empty for me! I deleted it, and the app reverted to a previous, good install of .NET 7.0.2 and ran fine.

Long story short, that error message is not always indicative that the correct runtime isn't installed, but maybe that another corrupt one is.

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This issue is also present on one of my systems. Installing both .NET Core 3.1 and the latest SDK has had no effect. 'Yes' in response to the automatic download prompt just exits the application.

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@cbailes, sorry to hear that! Can you try the suggestion in my comment prior to yours (checking Event Viewer) and let me know if you find anything interesting?

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Hey @cbailes, thanks for the update! Based on the error message, it does seem like .NET Core 3.1 was not installed prior to your manual step. I'm glad the manual step worked, but I'm not sure why it didn't get installed by the setup wizard. Just out of curiosity, did the setup run fine? Do you recall if it prompted to install .NET at all?

Anyway, thanks again, and hopefully this can help others.

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