Stop Visual Studio from launching a new browser window when starting debug

Question

I already have a window open with the web site I m debugging  I don t need VS to launch another one for me every time I need to debug   Is there a way to stop this behavior

User · Answer

As I did not had the mentioned option in my VS which is Visual Studio Enterprise 2017, I had to look for some other option.

Here is it what I've found:

Go to Tools -> Options -> Debugging tab(General) and uncheck "Enable JavaScript debugging for Asp.Net(Chrome and IE).

User · Answer

Updated answer for a  NET Core Web Api project     Right-click on your project  select  Properties   go to  Debug  and untick the  Launch browser  checkbox  enabled by default

User · Answer

While there are several excellent answers  ranging from usual suspects to newer solutions  I would like to provide one more to the fray that addresses what you should do when you are working on a solution with multiple projects  Before I arrived at this solution  I kept looking at bindingInformation in the applicationhost config of the solution  tirelessly looking for any hint of why things were simply not working   Turns out  the simple thing that I overlooked was that different projects have individual settings too  So  besides Project  gt   Project-Name  Properties     gt  Web  gt  Start Action on my Backend Project  I also had to Go to Website  gt  Start Options     gt  Start Action on my Frontend Project  Once there  I selected Don t open a page  Wait for a request from an external application and have been happy ever since

User · Answer

This is what solved it for me  Go to Project Properties  gt  Debug  gt  Uncheck  quot Launch Browser quot

User · Answer

You can right click on your project  then choose Properties   on Debug tab you should uncheck launch browser checkbox

User · Answer

You can now also get to the Web properties by clicking the dropdown arrow next to the Run button    Click dropdown button next to  Run    Project name   Properties Click  Web  in the list on the left Under the  Start Action  segment  click Don t open a page    You re all set   PS  This works for me  I m on version 16 5 5 of VS Professional 2019

User · Answer

Joao Costa answer also holds true for  Net core 2 projects    launchsettings json  --   launchBrowser   false   profiles          IIS Express            commandName    IISExpress          launchBrowser   false         environmentVariables              Hosting Environment    Development

User · Answer

I have solved my problem by following below steps  Go to Tools    Click on options    click on projects and solutions    web projects    uncheck  Stop debugging when browser is closed  option

User · Answer

This workaround works for me for VS 2019     Tools    Options   Then type Projects and solutions in the search box   Select the Web Projects   Then deselect the option below      Stop debugger when browser window is closed  close browser when debugging stops    This works for me  Hope this will help

User · Answer

In an ASP Net 5 project this can now be set for each launch profile    Open the file launchsettings json under the Startup Project Properties folder and add  launchBrowser   false to the profile you are configuring  such as in     profiles          IIS Express            commandName    IISExpress          launchBrowser   false         environmentVariables              Hosting Environment    Development

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I looked over the answers and didn t see the solution I found mentioned  If it was  my apologies  In my case  currently using Visual Studio 2015  In the solution explorer  right click on the Project file and click properties  Go to the Debug tab and this should have info for how you re launching  IIS Express or Web DNX   for the first two drop downs  and then there should be a checkmark box for  Launch URL    Uncheck this option and your browser won t be automatically launched everytime you go to debug your application  Hope this helps someone out

User · Answer

Open your startup project s properties  Project    ProjectName  Properties    from the main menu or right click your project in the Solution Explorer and choose Properties   then navigate to the Web tab and under Start Action choose Don t open a page  Wait for a request from an external application   You will still be able to use any browser  or Fiddler  whatever  to access the running application  but it won t open the browser window automatically  it ll just start in the background and wait for any requests

User · Answer

When you first open a web app project  do a Ctrl-F5  which is the shortcut for starting the application without debugging  Then when you subsequently hit F5 and launch the debugger  it will use that instance of IE  Then stop and start the debugging in Visual Studio instead of closing IE   It works on my machines  I m using the built in dev web server  Don t know if that makes a difference   Firefox will also stay open so you can debug in either or both at the same time

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CTRL ALT ENTER if your amends are front end only  http   blogs msdn com b webdev archive 2013 06 28 browser-link-feature-in-visual-studio-preview-2013 aspx

User · Answer

If you re using the Web Publish feature in IIS  then the solution I found was to edit the publish configuration and remove the Destination URL from the configuration  leave it blank   If this is defined  then every time you publish the project it will open the URL specified in the Destination URL  which is a redirect URL   Reference  https   support winhost com kb a1604 visual-studio-publish-web-deploy aspx

User · Answer

You can use the Attach To Process function  rather than pressing F5   This can also allow you to navigate through known working sections without the slowdown of VS debugger loaded underneath

User · Answer

There seems to be one case in which none of the above but the following helps  I m developing a project for Windows Azure cloud platform and I have a web role  There is indeed a radio button Don t open page in Project -   Project name  properties    as was pointed out by Pawel Krakowiak  but it has no effect in my case whatsoever  However  there is the main cloud project in solution explorer and there is the Roles folder under it  If I right click my web role in this folder and choose Properties  I get another set of settings and on the Configuration tab there is the Launch browser for flag  after unchecking it a new browser window is not opened on application start up

User · Answer

In Visual Studio 2019  I resolved the same issue as below  Go to your Visual Studio options Tools  gt  gt  gt  Options  gt  gt  gt  Project and Solutions  gt  gt  gt  Web Projects then finally untick option  gt  gt  gt  Stop debugger browser window is closed  close browser when debugging stops Step 1   Step 2  untick option  gt  gt  gt  Stop debugger browser window is closed  close browser when debugging stops  Step 3  Then finally click on  gt  gt  gt  OK button  these are all the steps to resolve the issue

User · Answer

For VS 15 7 1 Tools   Options   Projects and Solutions   Web Projects   uncheck Stop debugger when browser window is closed

[asp.net] Stop Visual Studio from launching a new browser window when starting debug?

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