(1)Error running default MAUI/NET8 win10 solution. (2)Another user has already installed an unpackaged version of this app (3) Could not establish trust relationship for the SSL/TLS secure channel

[parth211prajapati]

Description

Hello👋
If anyone is experiencing this issue, please provide guidance on the correct method to resolve it.
I Used =>visual studio 2022 preview(.NET 8) ,Microsoft Windows 10 Pro, SDK 8.0.300-preview.24203

I Also Update WASDK(Version 5001.119.156.0)

Show output from: Build
Updating the layout...
DEP0840: Project 'MauiApp58' requires packages 'MicrosoftCorporationII.WinAppRuntime.Main.1.5_8wekyb3d8bbwe' and 'MicrosoftCorporationII.WinAppRuntime.Singleton_8wekyb3d8bbwe' with version >= '5001.70.1338.0'. These packages should be installed on first run, if not please visit http://go.microsoft.com/fwlink/?linkid=2222757 for installation instructions.
Deployment complete (0:00:00.17). Full package name: "com.companyname.mauiapp58_1.0.0.1_x64__9zz4h110yvjzm"
========== Deploy: 1 succeeded, 0 failed, 0 skipped ==========
========== Deploy completed at 18:09 and took 00.442 seconds ==========

and POP SHOW

AppX Deployment operation failed for package com.companyname.mauiapp58_1.0.0.1_x64__9zz4h110yvjzm with error 0x80073CFB. The specific error text for this failure is: Another user has already installed an unpackaged version of this app. The current user cannot replace this with a packaged version. The conflicting package is com.companyname.mauiapp58 and it was published by CN=User Name.

And also facing Nuget problem, This issue i facing Only MAUI Project.(https://api.nuget.org/v3/index.json This URL Proper Work on browser )
[nuget.org] Unable to load the service index for source https://api.nuget.org/v3/index.json.
An error occurred while sending the request.
The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
The remote certificate is invalid according to the validation procedure.

Steps to Reproduce

No response

Link to public reproduction project repository

No response

Version with bug

Unknown/Other

Is this a regression from previous behavior?

Yes, this used to work in .NET MAUI

Last version that worked well

Unknown/Other

Affected platforms

Windows

Affected platform versions

net8.0-Windows10.0.19041.0)

Did you find any workaround?

No response

Relevant log output

No response

[github-actions]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it. Thank you!

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• AppX Deployment operation failed for package XXXX with error 0x80073CFB. The specific error text for this failure is: Another user has already installed an unpackaged version of this app. The current user cannot replace this with a packaged version. The conflicting package is XXX and it was published by CN=User Name. (#21632), similarity score: 0.89
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[dotnet-policy-service]

Thanks for the issue report @parth211prajapati! This issue appears to be a problem with Visual Studio, so we ask that you use the VS feedback tool to report the issue. That way it will get to the routed to the team that owns this experience in VS.

If you encounter a problem with Visual Studio, we want to know about it so that we can diagnose and fix it. By using the Report a Problem tool, you can collect detailed information about the problem, and send it to Microsoft with just a few button clicks.

1. Go to the Visual Studio for Windows feedback tool or Visual Studio for Mac feedback tool to report the issue
2. Close this bug, and consider adding a link to the VS Feedback issue so that others can follow its activity there.

[dotnet-policy-service]

Thanks for the issue report @parth211prajapati! This issue appears to be a problem with Visual Studio (Code), so we ask that you use the VS feedback tool to report the issue. That way it will get to the routed to the team that owns this experience in VS (Code).

If you encounter a problem with Visual Studio or the .NET MAUI VS Code Extension, we want to know about it so that we can diagnose and fix it. By using the Report a Problem tool, you can collect detailed information about the problem, and send it to Microsoft with just a few button clicks.

1. Go to the Visual Studio for Windows feedback tool or .NET MAUI VS Code Extension repository to report the issue
2. Close this bug, and consider adding a link to the VS Feedback issue so that others can follow its activity there.

[SmartmanApps]

Not that exact message, but a very similar one, which the solution was to uninstall the existing one AND reboot - only doing both those things in that order cleared it out.