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DEP0900: Failed to unregister application [0x80073CFA] 路 Issue #25832 路 dotnet/maui
github.com After updating Windows 10, Windows can no longer manage any appx packages, and I can't deploy WinUI 3 apps from VS 路 Issue #25832 路 dotnet/maui

.NET MAUI Team notes This issue isn't related to .NET MAUI or .NET9. You can follow the WinUI issue here Workaround posted here microsoft/WindowsAppSDK#4881 (comment) One thing to clarify here is t...

cross-posted from: https://programming.dev/post/21685196

> Beware if you're updating to .NET 9 and need your MAUI Windows app working

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github.com DEP0900: Failed to unregister application [0x80073CFA] 路 Issue #25832 路 dotnet/maui

Description Can't deploy MAUI projects to windows after upgrade to .net 9 DEP0900: Failed to unregister application "0acbd622-c89e-4564-8e05-7fcba762c402_1.0.0.64_x64__9zz4h110yvjzm". [0x80073CFA] ...

DEP0900: Failed to unregister application [0x80073CFA] 路 Issue #25832 路 dotnet/maui

Beware if you're updating to .NET 9 and need your MAUI Windows app working

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learn.microsoft.com What's new in WPF for .NET 9 - WPF .NET

Learn about what's new in Windows Presentation Foundation (WPF) for .NET 9. New versions of WPF are released yearly with .NET.

What's new in WPF for .NET 9 - WPF .NET
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learn.microsoft.com What's new in .NET 9

Learn about the new .NET features introduced in .NET 9 for the runtime, libraries, and SDK. Also find links to what's new in other areas, such as ASP.NET Core.

What's new in .NET 9
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devblogs.microsoft.com Announcing .NET 9 - .NET Blog

Announcing the release of .NET 9, the most productive, modern, secure, intelligent, and performant release of .NET yet. With updates across ASP.NET Core, C#, .NET MAUI, .NET Aspire, and so much more.

Announcing .NET 9 - .NET Blog
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devblogs.microsoft.com The making of Bring Back Plus/Minus - Visual Studio Blog

A lesson about the software forensics process involved in developing the Bring Back Plus/Minus extension, which brings back the plus/minus symbols to the editor outlining feature in Visual Studio 2022

The making of Bring Back Plus/Minus - Visual Studio Blog
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www.syncfusion.com Introducing Syncfusion's First Set of Open-Source .NET MAUI Controls

Discover Syncfusion鈥檚 open-source .NET MAUI controls for building stunning cross-platform apps with powerful, customizable components.

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  • The rest of useful information is pretty much not available without premium account anyway

    That's not true. There's was more info there than your 2 sentences. e.g. syncing to other devices.

  • Clipboard (24H2)
  • Of course I read it. Why would you think I didn't? There was more info there than your "2 sentences".

  • Clipboard (24H2)
  • I looked again, since the text I could see there was different to what I saw on the site, and that is actually at the BOTTOM of the page - there's a whole bunch of the article above that - so for some reason your phone(?) is taking you to the bottom of the page (I'm on desktop and it opens up at the top of the page).

  • My book "Practical Debugging for .NET Developers" is now Free!
  • Just to be clear, it's not MY book, but the book of whoever's blog that is (Michael someone) - that's the title of the blog post "My book...".

  • android_dev seems to be broken somehow
  • Ah ok. I saw there was issues with federation and communities getting blocked, didn't think either of those would be it. Thanks for letting me know!

  • .NET and C# are in trouble. Here is what I'd do.
  • Yes, provided you meet the criteria, so I'm guessing maybe he doesn't... or maybe he just wants to make the point that MS are earning income from this and yet not providing any more support than a free product is providing.

  • .NET and C# are in trouble. Here is what I'd do.
  • Yes, that's his point. That if you've released your app close to the end of the period, then you're forced to upgrade your app right away, even just to keep getting security patches, on top of any bugs you might already be trying to get on top of with your newly released app. Other systems have a longer support period and you wouldn't be faced with that.

  • .NET and C# are in trouble. Here is what I'd do.
  • Sorry. Hadn't occurred to me you may not be able to see it (usually it's me who can't see things others post! 馃槀 ).

    In a nutshell it boils down to the release schedule for .NET/C# - which people are paying to use - is too quick with too short support periods. He compares to another language, which is free (from memory I think it was Rust? I'd have to watch it again to see) which has the same short support periods, but is FREE. i.e. what are we paying for if we're not getting support for any longer than something which has the same support period for free? He's saying since MS is charging people for this, the support periods need to be longer, specifically security patches. e.g. if someone releases an app near the end of a period, then has only say 6 months before they have to upgrade it already, just to keep getting security patches. People don't have the option to stay on their stable release for a decent amount of time, even though they're paying for it. He just wants them to slow down the speed and increase the periods (we all know MS is all about pushing out new features over fixing bugs).

  • .NET Terminology
  • the .NET environment is vast and can be confusing, especially when new to it.

    Yeah it was prompted by someone on Mastodon asking about it, and Rocky saw it. I saw the reply too, and thought it was still a little vague, then a few days later this blog post turns up :-)

    BTW if anyone wants to follow him he's Rocky Lhotka. He's on Pixelfed too (and Bluesky), but not as much work stuff on his Pixelfed account.

  • .NET Terminology
  • I think omitting .net core is not the best decision.

    Yeah that confused me a bit too, then I found he talked about it underneath the table

  • What's the dumbest reason you've learned a programming language?
  • My high school taught Java, but I didn鈥檛 get OOP

    Yes, the correct sequence of events - one thing at a time, basic programming, then OOP. :-)

    Python is not that.

    It's not a lot of things, which makes it poor for a teaching language.

  • Add AI to Your .NET Apps Easily with Prompty - .NET Blog
  • P.S.

    not just to the point of ignoring, but actively down-voting

    I've been downvoted when I've made actual factual statements (which should be upvoted!) - people do like to express their displeasure 馃槀

  • What's the dumbest reason you've learned a programming language?
  • ...and riding a bike is easy. Now go watch some kids who have never ridden a bike before and see how that's working out for them.

  • What's the dumbest reason you've learned a programming language?
  • Oh definitely! Different students have different learning styles - some learn by memorising rules (ROTE), some learn by understanding the rules (Constructivist), some are visual learners, some are better at learning in group activities, etc. - and we have to cater to them ALL, to keep them all engaged (here's WHY we have this rule, here's a video about it, here's a group activity about it, here's a worksheet to practise it). But I was referring to the TOOLS that we use with class. We can't use a tool that the advanced students have no trouble with but the less adept students struggle with - we have to use a tool that the whole class can use, and that's what I meant about catering to the lowest common denominator.

    Also some (not all) schools have special classes for gifted and talented (G&T) students. And in fact one class I've had in my time is a class which was comprised of half the students had various learning difficulties (such as being dyslexic), though they weren't told that (these days it's all about trying to keep them in the mainstream as much as possible. So in this class the dyslexic student had a regular student sitting next to him for immediate help with reading anything, which left me free to only need to help him with actual educational issues).