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Question by laur-ganta · Oct 26, 2014 at 02:06 PM · instancemissingvisualstudiodebugger

Unity instance missing in "Attach Unity Debugger", Visual Studio 2013. How do I fix this?

Hello.

I used this feature a lot on another computer and i recently installed Unity, Visual Studio 2013 and Unity Tools for Visual Studio - 2013.

The problem that I'm having is when i want to use the VS debugger with unity, the "Select Unity Instance" window is empty (meaning no instance is there).

I've never had this problem before and can't seem to find anything about it.

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avatar image prestonmatterport · Mar 03, 2016 at 01:59 PM 0
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I had this problem when I renamed the "unity.exe" executable. Seems that VS looks for the unity process by name.

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Answer by stando · Nov 20, 2014 at 10:00 AM

You have to import "Visual Studio 2013 Tools" package into your current project in Unity. Then select "Open in Visual Studio" item under "Visual Studio Tools" menu inside Unity editor. Now you should see your scripts in VS which is already connected with your Unity instance. Hope it helps.

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avatar image Selerulf · Dec 16, 2014 at 02:05 PM 0
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Thanks! I want to upvote but I didn't have reputation. =(

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Answer by FriedrichWessel · May 01, 2016 at 11:27 AM

For everybody who also has the same problem: The unity.exe is not allowed to be renamed ( I usualy renmae it +VersionNumber ), but looks like newest version doesnt like that anymore.

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avatar image gilakai · Mar 27, 2017 at 02:11 AM 0
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This worked for me. I had to have two different versions of Unity running for different projects, and renamed one of it to avoid confusion, seems like that caused the issue. Renamed it back and its fixed now!

avatar image vexe · Dec 24, 2018 at 07:59 PM 0
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WISH I COULD UP YOU $$anonymous$$OR$$anonymous$$ Just wasted an hour on this. Ridiculous.... Is it so hard to write an error message saying so ins$$anonymous$$d of having us waste hours.

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Answer by zwxbest · Nov 13, 2015 at 03:02 AM

 I also meet this situation.
 I think reason for what we meet is probably the  version  of our unity, our VS IDE is 32bit but unity we install might  be  64bit,so it's incompatible.
 last night i test it ,visual studio still only have 32bit version,the name of MSDN (x86 and x64) may mean it have 32bit and 64bit component,but not all of VS is 64bit.My Computer is 64bit,but when i installed it ,it doesn't guide me to select 32 bit or 64 bit,and when done,I run it ,definitely 32bit from taskmanager.
 So this morning ,I went to company,to install 32 bit of Unity and it works.so I have  to choice either to give up VSTU or Unity64 bit version.
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Answer by alok-kr-029 · Jun 05, 2017 at 07:53 AM

To solve this issue go to C ->Program Files->Unity->Editor and rename the unity exe file to "Unity.exe " remove the version extension if any

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Answer by k0mbain · Nov 05, 2015 at 11:24 AM

I have the same problem. What worked for me was disabling all network connections in "Network and sharing center" -> "Change adapters" and enabling only one with connection to the internet. I had some Virtual WiFi Miniport adapters and one TAP-Win32 Adapter (installed by Wireshark). I guess that UnityVS plugin opens connection on different adapter that debugger is searching. I hope it helped.

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