Functions/GenXdev.Windows/Get-MpCmdRunPath.ps1
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Part of PowerShell module : GenXdev.Windows Original cmdlet filename : Get-MpCmdRunPath.ps1 Original author : René Vaessen / GenXdev Version : 1.270.2025 ################################################################################ MIT License Copyright 2021-2025 GenXdev Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ################################################################################> ############################################################################### <# .SYNOPSIS Gets the path to the Windows Defender MpCmdRun.exe executable. .DESCRIPTION Locates and returns the full path to the Windows Defender command-line utility (MpCmdRun.exe). The function checks the standard installation location in Program Files and provides appropriate error handling if the file is not found. .OUTPUTS System.String Returns the full path to MpCmdRun.exe if found. .EXAMPLE $defenderPath = Get-MpCmdRunPath Returns path like: "${env:ProgramFiles}\Windows Defender\MpCmdRun.exe" #> function Get-MpCmdRunPath { [CmdletBinding()] param() begin { # construct the expected path for the Windows Defender command-line tool $mpCmdRunPath = Microsoft.PowerShell.Management\Join-Path -Path $env:ProgramFiles ` -ChildPath 'Windows Defender\MpCmdRun.exe' # log the path we're checking Microsoft.PowerShell.Utility\Write-Verbose "Attempting to locate MpCmdRun.exe at: $mpCmdRunPath" } process { # verify file existence using optimized IO.File method instead of Test-Path if ([IO.File]::Exists($mpCmdRunPath)) { Microsoft.PowerShell.Utility\Write-Verbose 'Successfully located MpCmdRun.exe' return $mpCmdRunPath } # if executable not found, throw descriptive error $errorMsg = "Windows Defender executable not found at: $mpCmdRunPath" Microsoft.PowerShell.Utility\Write-Error -Message $errorMsg -Category ObjectNotFound } end { } } |