if (txtUsername.Text.Length < 5 || txtPassword.Text.Length < 5)
            {
                MessageBox.Show("Username or Password is incorrect!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

            else
            {
                    StreamReader sr = new StreamReader(@"Desktop\GymFucker\data\users\data.ls");
                    string user = sr.ReadLine();
                    string passhash = sr.ReadLine();
                    sr.Close();
                    string thispass = SHA1.Hashing(SHA1.Hashing(txtPassword.Text + salt));

                    if ( user.Equals(txtUsername.Text) &&  passhash.Equals(thispass))
                    {
                        Save_Data();
                        btnLogin.Enabled = false;
                        btnRegister.Enabled = false;
                        txtUsername.Enabled = false;
                        txtPassword.Enabled = false;

                        timer1.Start();

                    }
                    else
                    {
                        MessageBox.Show("Username or Password is incorrect!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                ////////////////////////////////////////////////////////////////////////

            }