Search Unity

  1. Calling all beginners! Join the FPS Beginners Mods Challenge until December 13.
    Dismiss Notice
  2. It's Cyber Week at the Asset Store!
    Dismiss Notice
FPS Beginners Mods Challenge Cyber Week Mega Sale

Visual Studio and C# scripts no longer opening!

Discussion in 'Editor & General Support' started by Stephan-B, Oct 20, 2011.

  1. Stephan-B

    Stephan-B

    Unity Technologies

    Joined:
    Feb 23, 2011
    Posts:
    2,269
    Hi!

    For some reason and all of a sudden, my C# scripts inside my project won't open in Visual Studio 2010 anymore. Instead they open in MonoDevelop.

    Visual Studio is still selected as my editor. When I double click or try to open a script, I see a message about Visual Studio opening but then instead the script shows up in MonoDevelop.

    What gives and how do I fix this?
     
    Last edited: Oct 25, 2011
    Stephan-B, Oct 20, 2011
    #1

  2. CriTaG

    CriTaG

    Joined:
    Oct 4, 2011
    Posts:
    8
    I have the same problem sometimes. The preferences are set on VS.

    When I restart Unity, the problem is solved, most of the times.
    Let's hope that this problem is fixed in the new Unity :).
     
    CriTaG, Oct 20, 2011
    #2

  3. Stephan-B

    Stephan-B

    Unity Technologies

    Joined:
    Feb 23, 2011
    Posts:
    2,269
    Does anyone have any solutions for this?
     
    Stephan-B, Oct 25, 2011
    #3

  4. tobiass

    tobiass

    Joined:
    Apr 7, 2009
    Posts:
    2,240
    Got the same issue now. It doesn't solve by restarting Unity and neither by resetting the file associations in VS.
    I got 2 editions of VS installed:
    The Express VS 10 starts if I select it. I don't know if Unity found it itself.
    Unity didn't know about the pro version so I used the Preferences -> Browse option to select the specific VS exe to start. It starts MD instead.

    For some reason, this now works again. I installed a plugin to VS and switched between all options and at some point Unity opened the right VS again. No idea what happened.
     
    Last edited: Oct 27, 2011
    tobiass, Oct 27, 2011
    #4

  5. CriTaG

    CriTaG

    Joined:
    Oct 4, 2011
    Posts:
    8
    What you can do, is work the other way:
    Start your VC.
    Go to: File --> Open --> Project/Solution
    select the csharp solution from your Unity project.

    Keep VC running. If you create a new script, your VC will ask for a reload, but you can always program within the program.
    This is the way I work now and I like it.
     
    CriTaG, Oct 27, 2011
    #5

  6. Karsten

    Karsten

    Joined:
    Apr 8, 2012
    Posts:
    105
    i know this thread is somewhat dated but i post anyway, because i found a solution or better said the reason of such strange behavior

    OS: Win 7 Ultimate

    it fixed for me when i turned Visual studio back to NOT start as Administrator wich i turned on before for some reason

    in short: it looks like Unity 3d behaves somewhat strange if the external editor is started as Administrator i am not sure what is the deeper reason of that behave, i could think of this: unity 3d isnt started as Administrator so it cant start another programm that should be started as Administrator.

    how ever: make sure Visual Studio is NOT started in Administrator mode should fix it!

    have a nice day....
     
    Karsten, Feb 7, 2013
    #6
    A_Vrankie likes this.

  7. EttiboPlop

    EttiboPlop

    Joined:
    Jan 22, 2014
    Posts:
    1
    Hi guys,
    I have found a solution to be able to kind of work this problem out.
    It seems there is a problem with the opening of visual studio and the sln file.
    So all you have to do is open the file yourProject-csharp.sln not yourProjet.sln (those 2 files are automatically generated by unity) and then you can have all your interactions back between Unity and Vs.
    Hope this can help you out
     
    EttiboPlop, Jan 22, 2014
    #7

  8. A_Vrankie

    A_Vrankie

    Joined:
    Jun 14, 2017
    Posts:
    2
    Changing the "start with administrative privilege" option woked for me, thx

    however; instead of opening both without admin, I open both WITH admin. It seems installing a new version of unity resets this setting (makes a new shortcut without it).
     
    A_Vrankie, Jul 13, 2018
    #8

  9. adretixgaming

    adretixgaming

    Joined:
    Jun 13, 2019
    Posts:
    1
    i just downloaded unity and tried to open a c# project but it never opened and they told me to check external appliction preferences
     
    adretixgaming, Jun 13, 2019
    #9
    Halilkunge likes this.

  10. dev-borisov-alexey

    dev-borisov-alexey

    Joined:
    Oct 6, 2013
    Posts:
    1
    Hi guys,
    I removed *.sln file and restart Unity. The problem is solved.
     
    dev-borisov-alexey, Aug 4, 2019
    #10

  11. jipsen

    jipsen

    Joined:
    May 22, 2018
    Posts:
    6
    That didn't work for me... scripts still won't open.
     
    jipsen, Aug 30, 2019
    #11

  12. Kosta99DT

    Kosta99DT

    Joined:
    Mar 31, 2017
    Posts:
    5
    I have same problem
     
    Kosta99DT, Sep 22, 2019
    #12

  13. UncleBanana

    UncleBanana

    Joined:
    Sep 14, 2018
    Posts:
    1
    I had the same problem with Visual Studio Code and none of the solutions above helped me. I uninstalled Visual Studio Code and then reinstalled it, but this time using the system installer rather than the user installer.
    I think it might have been an update to Visual Studio Code that broke it.

    Answer: Reinstall Visual Studio Code
     
    UncleBanana, Sep 30, 2019
    #13

  14. MadhuJO2

    MadhuJO2

    Joined:
    Apr 5, 2018
    Posts:
    1
    Simply delete
    .vs folder
    .vscode folder
    and
    all 3 assembly files
    including .sln and restart unity everything becomes normal
     
    MadhuJO2, Nov 2, 2019
    #14

  15. TheNenet

    TheNenet

    Joined:
    Nov 4, 2017
    Posts:
    4

    Where do you find theses folders?
     
    TheNenet, Nov 12, 2019
    #15

  16. tobiass

    tobiass

    Joined:
    Apr 7, 2009
    Posts:
    2,240
    In your project. They may be hidden by the system, so in some cases, you may have to show hidden files/folders.
     
    tobiass, Nov 12, 2019
    #16