Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2


Starts Help and Support Center. Used without parameters, helpctr displays the Help and Support Center home page.


%systemroot%\PCHealth\HelpCtr\Binaries\helpctr [/url [URL]] [/mode [URL]] [/hidden] [/fromstarthelp]

  • /url [URL]
    Specifies the Uniform Resource Locator (URL) that you want to display within Help and Support Center.
  • /mode [URL]
    Specifies an Extensible Markup Language (XML) Definition file that complies with the Launch_Description.dtd schema, which controls the context, layout and content of Help and Support Center.
  • /hidden
    Starts Help and Support Center without displaying the user interface. This command can load a topic. You use this command for remotely administered script execution.
  • /fromstarthelp
    Starts a new instance of Help and Support Center.
  • Using URL

    When you use /url or /mode, you can use quotation marks around the URL (that is, "URL"). If a space exists within URL, replace it by typing %20 (that is, "URL%20Address**"**).

  • To run helpctr from a command line, you must include the path. By default, the path to helpctr.exe is %systemroot%\PCHealth\HelpCtr\Binaries\.


To use helpctr to start a remote assistance session using a .msrincident file you have created, type:

%systemroot%\PCHealth\HelpCtr\Binaries\HelpCtr /mode "hcp://system/Remote Assistance/RAClientLayout.xml" /url "hcp://system/Remote%20Assistance/Interaction/Client/rctoolScreen1.htm?IncidentFile=rahelp.msrincident"

Formatting legend

Format Meaning


Information that the user must supply


Elements that the user must type exactly as shown

Ellipsis (...)

Parameter that can be repeated several times in a command line

Between brackets ([])

Optional items

Between braces ({}); choices separated by pipe (|). Example: {even|odd}

Set of choices from which the user must choose only one

Courier font

Code or program output

See Also


Command-line reference A-Z
Command shell overview