When i press F5, an "Attach to Process" window opens

Question

I have so many different C# source projects that run OK on other computers.

But on one computer, using Visual Studio 2013, when i press F5 to run the project, the "Attach to Process" window opens.

I searched a lot but no one have had my problem. Why is it like this? How can i fix it?

Edit:

I re installed the VS with C# configurations but it did not change anything. the Start Debugging option is disabled just like the screen shot below:

is the issue that Attach to Process pops up, or that it doesn't just start debugging? — Anthony Shaw, Nov 17 '14 at 18:32
both, i want to start debugging but the windows pops up instead. — Matin Lotfaliee, Nov 17 '14 at 19:02
Well thats interesting... And you definitely have a startup project set? — BradleyDotNET, Nov 19 '14 at 19:13
Have you tried this: http://stackoverflow.com/questions/22398767/f5-or-start-debugging-button-is-greyed-out-for-winform-application ? Made sure there wasn't *multiple* startup projects set: https://social.msdn.microsoft.com/Forums/vstudio/en-US/cb10e83a-70b6-43b4-9527-dc5ce9115dcf/visual-studio-2010-start-debugging-button-is-greyed-out?forum=vsdebug — BradleyDotNET, Nov 19 '14 at 19:21
@BradleyDotNET the problem was solved using the accepted answer of the post you mentioned. Write it in the answers to receive your reputation. — Matin Lotfaliee, Nov 22 '14 at 19:10

score 4 · Accepted Answer · edited May 23 '17 at 12:29

4

That will occur when you don't have a startup project set.

Right click the project you want to start and select "Set as Startup Project". Now F5 will run that project.

One other thing to try; from F5 or Start Debugging Button is Greyed Out for Winform application? is to:

Exclude the project from you application
Build the solution
Re-add the project
Build again
Set the project as the startup project

edited May 23 '17 at 12:29

Community

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answered Nov 17 '14 at 18:30

BradleyDotNET

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All of my solutions have startup project. I also tried to open csproj files. So this is not the case i think. – Matin Lotfaliee Nov 17 '14 at 18:57
@MatinLotfaliee You could also check that VS wasn't installed with the wrong dev setup. Have you checked the hotkey list? – BradleyDotNET Nov 17 '14 at 18:59
I re installed the VS with the C# dev setup. I also added a screenshot. – Matin Lotfaliee Nov 19 '14 at 19:10

score 0 · Answer 2 · answered Nov 19 '14 at 19:13

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Do you have DebugDiag or some other debugger (e.g. WinDbg) running in the background? Sometimes they are configured to automatically attach to a running process. Keep in mind only one debugger can be attached to one process.

answered Nov 19 '14 at 19:13

Dunken

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When i press F5, an "Attach to Process" window opens

2 Answers2