Learn to Play

Don't know where to start? There's loads of information about how to play on our new wiki.

If you prefer to learn from more experienced ninja, visit our guides section!

Support us

Nin Online is and has always been a Free-to-Play MMORPG with no Pay-2-Win mechanics.
We believe that MMORPGs are ruined by greed. We only sell cosmetic upgrades and shared benefits.
Support our mission by becoming a Gold Ninja with a one-time donation.

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    This page will attempt to solve any issues you are having playing Nin Online!
    If following the instructions on this page doesn't solve your issue, you can create a support request here or create an issue for bugs.
  • Table of Contents


    Installation Errors


    There are various common issues that can cause the client to crash. Here are some of the ones we know how to solve!

    Setup Error!


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    This error appears when the installation file you've downloaded is either incomplete, or your system does not have enough space to install Nin Online.

    1. Make sure you have enough space on your Drive, around 2 GB, to install Nin Online.
    2. Redownload the installation.

    .NET Framework 4.8 is not supported on this operating system.


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    This error appears for some users when trying to install .NET Framework 4.8. We believe it is because the user could be running an outdated version of windows. Here are some steps that should help.

    1. Update Windows
    2. Restart your PC
    3. Try to reinstall Nin Online or just .NET Framework 4.8.
    4. If this fails, refer to this video for another user posted fix. This requires registry editing, which is risky for non-advanced PC users.

     

    Crashing Troubleshoot


    There are various common issues that can cause the client to crash. Here are some of the ones we know how to solve!

    CLR20r3 Error


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    This is a common error seen when the player has a broken installation of .NET Framework installed.

    Windows 8, 8.1, 10

    1. Download and run the Microsoft .NET Framework Repair Tool.

    Windows 7 Only

    1. Open Programs and Features from the Windows Control Panel (or Add or Remove Programs for Windows XP). An easy way to bring this up on non-Windows XP systems is to type "programs and features" in the search field at the bottom of the Start menu.
    2. Uninstall everything that starts with "Microsoft .NET," doing newest versions first.
    3. Download and install the .NET Framework 4.8 runtime version or the latest .NET runtimes.

    Note: Windows 8, 8.1, and 10 systems do not list "Microsoft .NET" as an installed program. Looking at "View installed updates" in Programs and Features in Windows 8 and 8.1, it may be possible to find the corresponding KB number and remove it that way. 

    Client crashing after pressing Login button


    This is usually a .NET Framework installation issue, where the PC has .NET Framework installed but without the ASP.NET runtimes required to open a browser window and connect to our login system (through the forum).

    1. Go to Control Panel, find .NET Framework 4.8
    2. Select the .NET Framework 4.8 and click Uninstall.
    3. Reinstall .NET Framework 4.8 with ASP.NET.

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    No error message, game doesn't launch after updating


    This one is a lot harder to pinpoint what is really going on. But so far, most of the time this has happened, the cause has been that the user's Anti-virus or Firewall software has prevented the update, or deleted the NinOnline.exe file from the user's installation folder.

    1. To confirm this is happening to you, visit your Nin Online installation file.
    2. Check if this file is missing or present in your C:/Program Files/Nin Online/app/ folder (or wherever you installed the game)

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    3. If the file is present, this is not your issue. If it is missing, this is your issue.
    4. Disable any Anti-virus software that may be interfering with the installation or update of Nin Online.
    5. Reinstall Nin Online (Make sure you only download Nin Online directly from our official website)

     

    Frequent Disconnections / Login Issues


    Nin Online requires a constant stable connection to a dedicated server. Any interruptions (preventing sending packets to the server) that last a prolonged amount of time may cause disconnection issues. Any interruptions to the server sending packets to the client will instantly cause disconnection.

    A common cause of this is DNS (Domain Name System) issues. They may also cause issues setting up an initial connection to the server, hence causing you to be unable to login.

    To resolve this, use a reliable, public DNS like Google Public DNS or 1.1.1.1.

    Note: You do not need to download any software to use a public DNS. All you need to do is change your DNS servers in your OS control panel.