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Description:  

Specifies the category of programs that appears when users open the "Add New Programs" page.

If you enable this setting, only the programs in the category you specify are displayed when the "Add New
Programs" page opens. Users can use the Category box on the "Add New Programs" page to display
programs in other categories.

To use this setting, type the name of a category in the Category box for this setting. You must enter a
category that is already defined in Add or Remove Programs. To define a category, use Software Installation.

If you disable this setting or do not configure it, all programs (Category: All) are displayed when the "Add
New Programs" page opens.

You can use this setting to direct users to the programs they are most likely to need.

Note: This setting is ignored if either the "Remove Add or Remove Programs" setting or the "Hide Add New
Programs page" setting is enabled.

Supported on: Windows Server 2003, Windows XP, and Windows 2000 operating systems only.
Specify default category for Add New
Programs
Description Gpedit Regedit CMD Back VBScript PowerShell Script
Gpedit:   

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Type gpedit.msc and press Enter
In the Group Policy window please navigate to User Configuration -> Administrative Templates ->
Control Panel -> Add or Remove Programs and open Specify default category for Add New Programs.
Not Configured -> is the Default state
Enabled -> apply this GPO
Disabled -> this GPO will not be applied

To finish press ok button and close Group Policy window.
Type regedit and press ok
Please confirm User Account Control pop-up
Microsoft official disclaimer

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by
using another method. These problems might require that you reinstall the operating system. Microsoft
cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Note: This registry key is created by Group Policy when this GPO is Enable. The GPO Default state is Not
Configured -> this registry entry is not present. For Disable this registry entry is not present.

Please navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
\Uninstall
and locate DefaultCategory registry key
Regedit:          

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
   
   
Double click on DefaultCategory and edit the value:

To Enable:
Change the data value with:
DefaultCategory = Productivity Applications


To finish press ok button and close Registry Editor window

Note: Manual editing of this registry key will not be reflected in Group Policy. If you modify this GPO from
Group Policy this registry key will be rewritten.
Type cmd, right click on cmd icon under the Programs and click on Run as administrator
Please confirm User Account Control pop-up
Please select, right and copy a registry key from below, then right click on command prompt window
, select Paste and press Enter

Enabled:
REG add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall" /v DefaultCategory /t REG_SZ /d "Productivity Applications" /f

Not Configured:
REG DELETE "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall" /v "Productivity Applications" /f

Note: Manual editing of this registry key will not be reflected in Group Policy. If you modify this GPO from
Group Policy this registry key will be rewritten.
CMD:          

Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
   
VBScript:          

Const HKEY_CURRENT_USER = &H80000001
strComputer = "."
Set oReg=GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & _
strComputer & "\root\default:StdRegProv")

strKeyPath = "Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall"
oReg.CreateKey HKEY_CURRENT_USER,strKeyPath
strValueName = "DefaultCategory"
'Enabled
strValue = "Productivity Applications"
oReg.SetStringValue HKEY_CURRENT_USER,strKeyPath,strValueName,strValue
'Not Configured
'oReg.DeleteValue HKEY_CURRENT_USER,strKeyPath,strValueName
PowerShell Script :          

Enabled

$RegKey = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies"
If(Test-Path ($RegKey + "\Uninstall"))
{
 $RegKey = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall"
 ##Enabled
  New-ItemProperty -path $RegKey -name DefaultCategory -value "Productivity Applications" -PropertyType String -Force
}
else
{
 New-Item -path $RegKey -name Uninstall
 $RegKey = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall"
  ##Enabled
  New-ItemProperty -path $RegKey -name DefaultCategory -value "Productivity Applications" -PropertyType String
}

Not Configured\Disabled

$RegKey = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies"
Remove-ItemProperty -Path($RegKey + "\Uninstall") -name DefaultCategory
If( (Get-Item -Path($RegKey + "\Uninstall")).ValueCount -eq 0 -and (Get-Item -Path($RegKey + "\Uninstall")).SubKeyCount -eq 0)
{
 Remove-Item -Path($RegKey + "\Uninstall")
}
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Result
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