PR-Export-PMPCUninstallRegistryHives.ps1

<#
        .SYNOPSIS
            Export the uninstall hives from the local computer to a CSV
        .DESCRIPTION
            This function is used to export all the accesible uninstall registry hives to a CSV file to assist
            with troubleshooting application detection
        .PARAMETER ExportCsvPath
            Specifies the desired path to the CSV to export. This defaults to the current directory with
            a file name of 'PMPC-Uninstall-Hive-Export.csv'
        .EXAMPLE
            C:\PS>  Export-PMPCUninstallRegistryHives -ExportCsvPath 'C:\temp\PMPC-Export.csv'
                Exports all the uninstall hives to a CSV file named 'C:\temp\PMPC-Export.csv'
        .EXAMPLE
            C:\PS>  Export-PMPCUninstallRegistryHives
                Exports all the uninstall hives to a CSV file named 'PMPC-Uninstall-Hive-Export.csv' in the 
                directory where the function was ran
        .NOTES
            ################# DISCLAIMER #################
            Patch My PC provides scripts, macro, and other code examples for illustration only, without warranty 
            either expressed or implied, including but not limited to the implied warranties of merchantability 
            and/or fitness for a particular purpose. This script is provided 'AS IS' and Patch My PC does not 
            guarantee that the following script, macro, or code can or should be used in any situation or that 
            operation of the code will be error-free.
    #>
param(
    [parameter(Mandatory = $false, Position = 0)]
    [ValidatePattern('\.csv$')]
    [string]$ExportCsvPath = 'C:\ProgramData\Microsoft\IntuneManagementExtension\Logs\PMPC-Uninstall-Hive-Export.csv.log'
)
$PropertyNames = 'DisplayName', 'DisplayVersion', 'PSChildName', 'Publisher', 'InstallDate', 'UninstallString', 'QuietUninstallString', 'SystemComponent', @{l = 'RegistryPath'; e = { $_.PSPath -replace 'Microsoft.PowerShell.Core\\Registry::' } }

$AllPathsToSearch = foreach ($Hive in 'HKEY_CURRENT_USER', 'HKEY_LOCAL_MACHINE') {
    foreach ($ArchitectureRoot in 'SOFTWARE', 'SOFTWARE\WOW6432Node') {
        [string]::Format('registry::{0}\{1}\Microsoft\Windows\CurrentVersion\Uninstall\*', $Hive, $ArchitectureRoot)
    }
}
    
try {
    $AllFoundObjects = (Get-ItemProperty -Path $AllPathsToSearch -Name $PropertyNames -ErrorAction SilentlyContinue).Where( { -not [string]::IsNullOrWhiteSpace($_.DisplayName) }) | Select-Object -Property $PropertyNames
}
catch {
    Write-Error "An error occurred while gathering the properties from the registry hives. Error: $($_.Exception.Message)"
    return 
}
    
$AllFoundObjects | Export-Csv -Path $ExportCsvPath -Force -NoTypeInformation

Get-Package | Export-Csv -Path "C:\ProgramData\Microsoft\IntuneManagementExtension\Logs\PMPC-Package.csv.log" -Force -NoTypeInformation
Get-AppXPackage -AllUsers | Export-Csv -Path "C:\ProgramData\Microsoft\IntuneManagementExtension\Logs\PMPC-AppXPackage.csv.log" -Force -NoTypeInformation
Get-AppxProvisionedPackage -online | Export-Csv -Path "C:\ProgramData\Microsoft\IntuneManagementExtension\Logs\PMPC-AppxProvisionedPackage.csv.log" -Force -NoTypeInformation