Fix user guide syntax error

windows/docs/using-slapos-in-windows.xml

@@ -79,6 +79,7 @@ The configure script will guide you to configure slapos slave node, first, a sup
 *** Info: that this password matches the password rules given on your system.
 *** Info: Entering no password will exit the configuration.
 *** Query: Please enter the password:
+*** Query: Reenter:
 </programlisting>
 Remember this password, it may be required when you run slapos configure again.
 <programlisting>
@@ -148,7 +149,12 @@ net start cron
 <para>Sometime cygwin service re6stnet cound't be stop by command "net stop", you need kill openvpn at first:
 <programlisting>
 TASKKILL /F /IM openvpn.exe
-net stop re6stnet 
+net stop re6stnet
+rm -rf /var/lib/re6stnet
+</programlisting>
+Then you can start re6stnet again:
+<programlisting>
+net start re6stnet
 </programlisting>
 If you're in non-english environment, be sure Cygwin Terminal works well in your own chareset. Click Start -> SlapOS -> Command Console, then
 <programlisting>
@@ -291,7 +297,7 @@ Now, build ipwin.exe which used to manage slapos network. If you have msvc build
 <itemizedlist>
 <listitem><para>Install Microsoft Visual C++ 2008 Express Edition or later version, you can download package from <ulink url="http://www.microsoft.com/visualstudio/express"/>, it's free.</para></listitem>
 <listitem><para>If you're running X64 environments, install Microsoft Windows SDK v7.0. You can download the package from <ulink url="http://download.microsoft.com/download/2/E/9/2E911956-F90F-4BFB-8231-E292A7B6F287/GRMSDKX_EN_DVD.iso"/>.</para></listitem>
-<listitem><para>Double click D:/slapos/opt/git/slapos.packages/windows/ipwin/ipwin/build.bat, be sure there is no error. This script assumes your vcvarsall.bat installed at "C:\Program Files\Microsoft Visual Studio 9.0\VC\vcvarsall.bat", and  installed at "" (required only for x64 platform), if not, please edit the script as your install path first.</para></listitem>
+<listitem><para>Double click D:/slapos/opt/git/slapos.packages/windows/ipwin/ipwin/build.bat, be sure there is no error. This script assumes your vcvarsall.bat installed at "C:\Program Files\Microsoft Visual Studio 9.0\VC\vcvarsall.bat", and  setenv.cmd installed at "C:\Program Files\Microsoft SDKs\Windows\v7.0\Bin\SetEnv.cmd" (required only for x64 platform), if not, please edit the script as your installed path.</para></listitem>
 </itemizedlist>
 </para>
 <para>