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I'm trying to run a command found in this answer. The command is

start /w %SystemRoot%\system32\pkgmgr.exe /ip /m:Windows6.1-KB2506143-x86.cab

Trouble is, it doesn't work for me. Indeed, it returns the following error :

Start-Process : Impossible de trouver un paramètre positionnel acceptant l'argument « /ip ».
Au niveau de ligne : 1 Caractère : 6
+ start <<<<  /w C:\Windows\System32\PkgMgr.exe /ip /m:Windows6.1-KB2506143-x64.cab
    + CategoryInfo          : InvalidArgument: (:) [Start-Process], ParameterBindingException
    + FullyQualifiedErrorId : PositionalParameterNotFound,Microsoft.PowerShell.Commands.StartProcessCommand

As I'm a neophyte to powershell, I'm having troubles understanding the various options. help start gives me a list of parameter, but I found no mention of /w, /ip or /m.

To sum up, I would like to

  • be able to run the command
  • understand what it does.
  • /w, /ip and /m are switches for pkgmgr.exe, not for start. Try putting double quotes around the command like this: start /w "%SystemRoot%\system32\pkgmgr.exe /ip /m:Windows6.1-KB2506143-x86.cab" – Art Gertner Jul 24 '14 at 9:55
  • in fact, I don't see the reason why you even need start /w. It is only used when starting multiple programs from batch script to force sequential execution. You might as well omit start /w – Art Gertner Jul 24 '14 at 9:58
  • @smc Good to know for the switches. I tried adding the quotes, but it gives me a FileNotFound. However, removing start /w makes the command run, so I guess that's all I wanted :) . – fxm Jul 24 '14 at 10:00
  • hm... not sure about File not found, but hey, as long as your problem is resolved, its all good. I will post this as an answer – Art Gertner Jul 24 '14 at 10:03
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Switches /w, /ip and /m relate to pkgmgr.exe rather then start. Here is a link to MS website were switches and options for pkgmgr.exe are described in the details

Try removing start /w from your command. It is only used in batch scripts to ensure sequential execution of commands. You don't need it when running one singe command from the terminal.

Just do

%SystemRoot%\system32\pkgmgr.exe /ip /m:Windows6.1-KB2506143-x86.cab

If you are interested in some extra info, read "What is Package Manager?". This should help you to understand what the command does. The essence is:

Package Manager (Pkgmgr.exe) is a new Windows Vista command-line tool that you can use offline to install, remove, or update Windows packages.

/ip switch is used to install single package

/m is a compulsory switch after which you have to specifies the directory with the package manifest and payload.

  • You may want to add the details on the switches you mentionned in your first comment, it was useful to me and perhaps to someone else. – fxm Jul 24 '14 at 10:06

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