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DanTup/add_defender_exclusions_for_dart_flutter.ps1

Last active September 25, 2025 10:33
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Add Defender exclusions for Dart/Flutter
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add_defender_exclusions_for_dart_flutter.ps1
# This must be run inside an _Administrator_ PowerShell terminal.
# Press Win+X then click "Terminal (Admin)"
# Paths to exclude.
$paths = @(
# Add your development folder(s) here, quoted and followed by commas.
"your dev folder path here",
# Dart Analysis Server cache.
$(if ($env:ANALYZER_STATE_LOCATION_OVERRIDE) { $env:ANALYZER_STATE_LOCATION_OVERRIDE } else { "$env:LOCALAPPDATA\.dartServer" }),
# Pub cache.
$(if ($env:PUB_CACHE) { $env:PUB_CACHE } else { "$env:LOCALAPPDATA\Pub\Cache" }),
# The Dart SDK.
$(if (where.exe dart.exe 2> $null) { $(Split-Path -parent (Split-Path -parent (where.exe dart.exe | Select-Object -First 1))) }),
# The Flutter SDK.
$(if (where.exe flutter.bat 2> $null) { $(Split-Path -parent (Split-Path -parent (where.exe flutter.bat | Select-Object -First 1))) })
)
# Remove blanks, duplicates, and non-existent folders.
$paths = $paths | Where-Object { $_ -and (Test-Path -Path $_ -PathType Container) } | Select-Object -Unique
# Add each valid path to Windows Defender's exclusion list.
foreach ($path in $paths) {
Write-Host "Adding exclusion: $path"
Add-MpPreference -ExclusionPath $path
}
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