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function Add-DefenderExclusionForDevEnv {
Set-StrictMode -Version Latest
$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
if (!$currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
$me = $MyInvocation.MyCommand
$myDefinition = (Get-Command $me).Definition
$myfunction = "function $me { $myDefinition }"
$cd = (Get-Location).Path
$commands = "Set-Location $cd; $myfunction; Write-Host 'Running $me'; $me; Pause"
$bytes = [System.Text.Encoding]::Unicode.GetBytes($commands)
$encode = [Convert]::ToBase64String($bytes)
$argumentList = "-NoProfile","-EncodedCommand", $encode
Write-Warning "Detected you are not runnning with Admin Priviledge."
$proceed = Read-Host "Required elevated priviledge to add exlusion to Windows Defender. Do you proceed? (y/n)"
if ($proceed -ceq "y") {
$p = Start-Process -Verb RunAs powershell.exe -ArgumentList $argumentList -Wait -PassThru
return $p.ExitCode
else {
Write-Host "Cancel evelated."
return 1
Write-Host "Welcome to AddDefenderExclusionForDevEnv"
Write-Host "Create Windows Defender exclusions for common Visual Studio folders and processes to fasten your Build."
$pathExclusions = (Get-ChildItem ${env:ProgramFiles(x86)} -Filter "Microsoft Visual Studio*" -Directory).FullName
$pathExclusions += (
"${env:ProgramFiles(x86)}\Microsoft SDKs\NuGetPackages",
"${env:ProgramFiles(x86)}\Microsoft SDKs"
$processExclusions = @(
$projectsFolder = Read-Host 'Input path to your Project folder. (eg.,: c:\projects)'
if (![string]::IsNullOrWhiteSpace($projectsFolder)){
Write-Host "Adding Path Exclusion: " $projectsFolder
Add-MpPreference -ExclusionPath $projectsFolder
else {
Write-Host "Path was blank, skip adding."
foreach ($exclusion in $pathExclusions) {
Write-Host "Adding Path Exclusion: " $exclusion
Add-MpPreference -ExclusionPath $exclusion
foreach ($exclusion in $processExclusions) {
Write-Host "Adding Process Exclusion: " $exclusion
Add-MpPreference -ExclusionProcess $exclusion
Write-Host "Your Exclusions:"
$prefs = Get-MpPreference
Write-Host "Enjoy faster build time."
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