Angular ng serve asking to open app and not working - visual-studio-code

Problem Statement
When I try to do ng s -o in my terminal for my Angular app, it says, "How would you like to open this?" inside a popup box where I can choose an app, but choosing an app doesn't work.
Image of Problem
When I try to choose an app, it displays code. When I chose Chrome in the popup box, this happens:
The image shows that when I run an app after ng s -o it just displays code. Also, the tab title in the browser says "ng" when the code shows. Another thing, there is no error in the terminal...
Expected Results
I want to run my Angular app with ng s -o.
Actual Results
The app doesn't serve and asks to open an app.
Note: I am using Visual Studio Code for this.


The problem was related to my cli. I was using PowerShell when I was running ng, and for some strange reason, PowerShell stopped running ng and was asking me to open an app to run the file. Even though this never happened to me before and I was using ng and PowerShell just fine before. Strange!
Now I am using CMD instead. It now runs perfectly. So, I switched cli's from PowerShell to CMD in my integrated terminal in Visual Studio Code and it started working.
I got the idea to switch cli's from this: https://github.com/Microsoft/vscode/issues/28541


npx ng serve -o works for me in visual studio code.


The problem was caused as the Vs code was using PowerShell mode. By changing it to default cmd mode, the ng commands started to work.
The steps to change from PowerShell to cmd mode is as follows:
Press Ctrl + Shift + P to show all commands.
Type profile in the displayed text box to filter the list.
Select Terminal: Select Default Profile.
You will be prompted to select your preferred terminal shell, you can change this later in your settings or follow the same process as we do now.

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Okay, for those of you struggling with the same problem, I've managed to solve it by clicking on the drop-down menu that says powershell and changing it to cmd.

this happened to me and simply
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I had a similar issue when running ionic serve command which runs the development server on the localhost. I paid attention after executing the command above, and it said:
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I found two vscode on my desktop, I opened the other one and it worked. Looks like I updated it but the older one didn't disappear.

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The terminal can type the answer for you.
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This typically just ends up causing problems for the user.
The terminal will now automatically reply with Y and enter (\r) which makes Ctrl+C in Windows feel much better.
Pressing Ctrl+C will immediately reply to the question and return to the prompt:
Theme: Sapphire
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For example you could use it to automatically update Oh My Zsh when prompted:
"terminal.integrated.autoReplies": {
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}
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"terminal.integrated.autoReplies": {
"Terminate batch job (Y/N)": null
}

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Restart VS.

I changed from bash to powershell in terminal first but the command prompt still not shown.
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This seems to just be a display problem. It happened to me when I changed my display settings for desktop icon and app scaling settings.
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I had the same problem ... In my case just run vs-code as administrator and works

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Randy's comment was my answer with a link here. Thanks, Randy.
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