if (!System.IO.File.Exists("C:\Users\abc\Desktop\1\synccc.sqlite"))
{
    Console.WriteLine("Just entered to create Sync DB");
    SQLiteConnection.CreateFile("C:\Users\abc\Desktop\1\synccc.sqlite");
    string sql = "create table highscores (name varchar(20), score int)";
    SQLiteCommand command = new SQLiteCommand(sql, sqlite2);
    command.ExecuteNonQuery();
}
sqlite2 = new SQLiteConnection("Data Source=C:\Users\abc\Desktop\1\synccc.sqlite");

if (!System.IO.File.Exists("C:\Users\abc\Desktop\1\synccc.sqlite"))
{
    Console.WriteLine("Just entered to create Sync DB");
    SQLiteConnection.CreateFile("C:\Users\abc\Desktop\1\synccc.sqlite");

    using(var sqlite2 = new SQLiteConnection("Data Source=C:\Users\abc\Desktop\1\synccc.sqlite"))
    {
        sqlite2.Open();
        string sql = "create table highscores (name varchar(20), score int)";
        SQLiteCommand command = new SQLiteCommand(sql, sqlite2);
        command.ExecuteNonQuery();
    }
}