Getting the setup of the project prepared with C# and MSSQL on another computer

Question

When I want to use the setup of the project I prepared with C# and MSSQL on another computer, I get an error like this.

Calling JIT debugging instead of this dialog See the end of this message for detailed information about.

***** Exception Text *****
System.Data.SqlClient.SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to the server. The server was not found or the server cannot be reached. Verify that the instance name is correct and that SQL Server allows remote connections. (provider: SQL Network Interfaces, error: 26 - Error Finding the Specified Server/Instance)
    location: System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionDa ta, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling, SqlAuthenticationProviderManager sqlAuthProviderManager)
    location: System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
    location: System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)
    location: System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
    location: System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
    location: System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
    location: System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
    location: System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
    location: System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
    location: System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
    location: System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
    location: System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
    location: System.Data.SqlClient.SqlConnection.Open()
    location: InternetCafeAutomation.User.UserLogin(TextBox Username, TextBox Password)
    location: InternetCafeAutomation.frmUser.btnEntry_Click(Object sender, EventArgs e)
    location: System.Windows.Forms.Control.OnClick(EventArgs e)
    location: System.Windows.Forms.Button.OnClick(EventArgs e)
    location: System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
    location: System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
    location: System.Windows.Forms.Control.WndProc(Message& m)
    location: System.Windows.Forms.ButtonBase.WndProc(Message& m)
    location: System.Windows.Forms.Button.WndProc(Message& m)
    location: System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
    location: System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
    location: System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
ClientConnectionId:00000000-0000-0000-0000-000000000000
Error Number:-1,State:0,Class:20

Installed Builds:

mscorlib
     Integrated Code Version: 4.0.0.0
     Win32 Version: 4.8.9181.0 built by: NET481REL1LAST_C
     CodeBase: file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/mscorlib.dll
----------------------------------------
InternetCafeAutomation
     Integrated Code Version: 1.0.0.0
     Win32 Version: 1.0.0.0
     CodeBase: file:///C:/Program%20Files%20(x86)/Default%20Company%20Name/SetupInternetKafe/InternetCafeAutomation.exe
----------------------------------------
System.Windows.Forms
     Integrated Code Version: 4.0.0.0
     Win32 Version: 4.8.9181.0 built by: NET481REL1LAST_C
     CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System
     Integrated Code Version: 4.0.0.0
     Win32 Version: 4.8.9214.0 built by: NET481RE

How can I solve this problem?