ActivityNotFoundException on Android?

package info.ernestas.uvrsclient;
 
import info.ernestas.uvrsclient.help.HelpActivity;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
 
public class UVRSClientMain extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.uvrsclient_menu, menu);
        return true;
    }
 
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
	        case R.id.connecttoserver:
	            return true;
	        case R.id.disconnectfromserver:
	            return true;
	        case R.id.help:
	        	try {
		        	Intent myIntent = new Intent(this, HelpActivity.class);
	                startActivityForResult(myIntent, 0);
		        	return true;
	        	}
	        	catch (Exception e) {
					Log.e("Error!", e.toString());
				}
	        default:
	            return super.onOptionsItemSelected(item);
        }
    }
}

package info.ernestas.uvrsclient.help;
 
import info.ernestas.uvrsclient.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
 
public class HelpActivity extends Activity {
 
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.help);
 
        Button next = (Button) findViewById(R.id.Button02);
        next.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                Intent intent = new Intent();
                setResult(RESULT_OK, intent);
                finish();
            }
 
        });
    }
}

	<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="info.ernestas.uvrsclient"
      android:versionCode="1"
      android:versionName="1.0">
    <uses-sdk android:minSdkVersion="7" />
 
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".UVRSClientMain"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
		<activity android:name=".HelpActivity"></activity>
 
    </application>
    <uses-permission android:name="android.permission.CAMERA" />
</manifest>