'ping' is not recognized as an internal or external command etc

Christopher Woods (CM) christopher at custommade.org.uk
Wed May 30 06:20:18 EDT 2012

Hi Chris,

Check your PATH. Something may have removed the C:\Windows\System32\; 
entry from its start. What you're looking for is in System Properties, 
Advanced tab, Environment Variables.

If you're using Windows 7 as a standard user with UAC enabled, once in 
the box you will find you can't actually edit the PATH. (Of course.) To 
do this you need to open the dialog elevated through UAC; in the Control 
Panel (System category) choose "Advanced system settings" - which should 
have the UAC shield next to it - then choose "Environment variables".

If you go from the Start menu and type "environment" it'll offer you two 
selections, both of which open the same box -- however only the option 
explicitly marked "Edit the system environment variables" will open UAC 

This is what my PATH looks like (Windows 7, pretty new installation with 
just dig for Windows installed as extra):


To verify that this is the problem, before you edit your PATH open a DOS 
prompt and cd to C:\windows\system32 . Can you invoke ping manually from 
there? How about if you cd \ back to the root? If it works there then 
something else is afoot and it sounds like a script error. Otherwise, 
it's your Windows PATH and you should go doublecheck it's not been altered.


On 30/05/2012 09:52, Chris Hartley wrote:
> Is anyone able to tell me what this ping error means?  It's not a
> critical problem as the programme seems to download ok, just curious
> really.  The error seems to hold up the process of opening the web
> browser when using the 'Quick URL' function of the Web PvrManager -
> initially Firefox gives the error:
> "Firefox can't establish a connection to the server at"
> which I then have to refresh (the browser refresh) a few times before
> the Web PVR Manager window appears.
> I am on Windows7 x86 with Firefox default browser and default windows
> installer (2 day old OS)
> The full report is pasted below.
> ==============================================================
> 'ping' is not recognized as an internal or external command,
> operable program or batch file.
> DEBUG: Command: ".\get_iplayer.cmd" --nopurge --nocopyright --listplugins
> INFO: Listening on
> GET: /
> <snipped>

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