# Run SteamCMD apps_installed command and paste output here
$output = @'
AppID 20 : "Team Fortress Classic" : D:\SteamLibrary\steamapps\common\Half-Life
AppID 60 : "Ricochet" : D:\SteamLibrary\steamapps\common\Half-Life
AppID 70 : "Half-Life" : D:\SteamLibrary\steamapps\common\Half-Life
AppID 211 : "Source SDK" : D:\SteamLibrary\steamapps\common\SourceSDK
AppID 220 : "Half-Life 2" : D:\SteamLibrary\steamapps\common\Half-Life 2
AppID 380 : "Half-Life 2: Episode One" : D:\SteamLibrary\steamapps\common\Half-Life 2
AppID 440 : "Team Fortress 2" : D:\SteamLibrary\steamapps\common\Team Fortress 2
AppID 550 : "Left 4 Dead 2" : D:\SteamLibrary\steamapps\common\Left 4 Dead 2
AppID 563 : "Left 4 Dead 2 Authoring Tools" : D:\SteamLibrary\steamapps\common\left 4 dead 2
AppID 730 : "Counter-Strike: Global Offensive" : D:\SteamLibrary\steamapps\common\Counter-Strike Global Offensive
AppID 745 : "Counter-Strike: Global Offensive - SDK" : D:\SteamLibrary\steamapps\common\Counter-Strike Global Offensive
AppID 1510 : "Uplink" : D:\SteamLibrary\steamapps\common\Uplink
AppID 2700 : "RollerCoaster Tycoon 3: Platinum!" : D:\SteamLibrary\steamapps\common\Rollercoaster Tycoon 3 Gold
AppID 4000 : "Garry's Mod" : E:\SteamLibrary\steamapps\common\GarrysMod
AppID 8870 : "BioShock Infinite" : D:\SteamLibrary\steamapps\common\BioShock Infinite
AppID 8980 : "Borderlands" : D:\SteamLibrary\steamapps\common\Borderlands
AppID 22330 : "The Elder Scrolls IV: Oblivion " : D:\SteamLibrary\steamapps\common\Oblivion
AppID 24740 : "Burnout Paradise: The Ultimate Box" : D:\SteamLibrary\steamapps\common\Burnout(TM) Paradise The Ultimate Box
AppID 32370 : "STAR WARS™: Knights of the Old Republic™" : D:\SteamLibrary\steamapps\common\swkotor
AppID 33230 : "Assassin's Creed II" : D:\SteamLibrary\steamapps\common\Assassin's Creed 2
AppID 43110 : "Metro 2033" : D:\SteamLibrary\steamapps\common\Metro 2033
AppID 45740 : "Dead Rising 2" : E:\SteamLibrary\steamapps\common\Dead Rising 2
AppID 45770 : "Dead Rising 2: Off the Record" : E:\SteamLibrary\steamapps\common\Dead Rising 2 Off the Record
AppID 48190 : "Assassin's Creed Brotherhood" : E:\SteamLibrary\steamapps\common\Assassins Creed Brotherhood
AppID 49520 : "Borderlands 2" : D:\SteamLibrary\steamapps\common\Borderlands 2
AppID 50130 : "Mafia II" : D:\SteamLibrary\steamapps\common\Mafia II
AppID 55230 : "Saints Row: The Third" : E:\SteamLibrary\steamapps\common\Saints Row the Third
AppID 72200 : "Universe Sandbox" : D:\SteamLibrary\steamapps\common\Universe Sandbox
AppID 91310 : "Dead Island" : D:\SteamLibrary\steamapps\common\Dead Island
AppID 99810 : "Bulletstorm" : D:\SteamLibrary\steamapps\common\Bulletstorm
AppID 110800 : "L.A. Noire" : D:\SteamLibrary\steamapps\common\L.A.Noire
AppID 200260 : "Batman: Arkham City GOTY" : D:\SteamLibrary\steamapps\common\Batman Arkham City GOTY
AppID 200510 : "XCOM: Enemy Unknown" : D:\SteamLibrary\steamapps\common\XCom-Enemy-Unknown
AppID 201870 : "Assassin's Creed Revelations" : D:\SteamLibrary\steamapps\common\Assassin's Creed Revelations
AppID 202170 : "Sleeping Dogs™" : D:\SteamLibrary\steamapps\common\SleepingDogs
AppID 203160 : "Tomb Raider" : D:\SteamLibrary\steamapps\common\Tomb Raider
AppID 205100 : "Dishonored" : E:\SteamLibrary\steamapps\common\Dishonored
AppID 206420 : "Saints Row IV" : E:\SteamLibrary\steamapps\common\Saints Row IV
AppID 208480 : "Assassin's Creed® III" : D:\SteamLibrary\steamapps\common\Assassin's Creed 3
AppID 212680 : "FTL: Faster Than Light" : D:\SteamLibrary\steamapps\common\FTL Faster Than Light
AppID 214490 : "Alien: Isolation" : D:\SteamLibrary\steamapps\common\Alien Isolation
AppID 214950 : "Total War: ROME II - Emperor Edition" : D:\SteamLibrary\steamapps\common\Total War Rome II
AppID 220200 : "Kerbal Space Program" : D:\SteamLibrary\steamapps\common\Kerbal Space Program
AppID 220440 : "DmC Devil May Cry" : E:\SteamLibrary\steamapps\common\DmC Devil May Cry
AppID 223850 : "3DMark" : D:\SteamLibrary\steamapps\common\3DMark
AppID 224960 : "Tomb Raider I" : D:\SteamLibrary\steamapps\common\Tomb Raider (I)
AppID 227300 : "Euro Truck Simulator 2" : E:\SteamLibrary\steamapps\common\Euro Truck Simulator 2
AppID 228980 : "Steamworks Common Redistributables" : C:\Program Files (x86)\Steam\steamapps\common\Steamworks Shared
AppID 230410 : "Warframe" : D:\SteamLibrary\steamapps\common\Warframe
AppID 231430 : "Company of Heroes 2" : D:\SteamLibrary\steamapps\common\Company of Heroes 2
AppID 232090 : "Killing Floor 2" : E:\SteamLibrary\steamapps\common\killingfloor2
AppID 233450 : "Prison Architect" : D:\SteamLibrary\steamapps\common\Prison Architect
AppID 234140 : "Mad Max" : D:\SteamLibrary\steamapps\common\Mad Max
AppID 235600 : "Tom Clancy's Splinter Cell Blacklist" : D:\SteamLibrary\steamapps\common\Tom Clancy's Splinter Cell Blacklist
AppID 237110 : "Mortal Kombat Komplete Edition" : E:\SteamLibrary\steamapps\common\MortalKombat_KompleteEdition
AppID 238010 : "Deus Ex: Human Revolution - Director's Cut" : D:\SteamLibrary\steamapps\common\Deus Ex Human Revolution Director's Cut
AppID 238090 : "Sniper Elite 3" : E:\SteamLibrary\steamapps\common\Sniper Elite 3
AppID 239140 : "Dying Light" : D:\SteamLibrary\steamapps\common\Dying Light
AppID 239820 : "Game Dev Tycoon" : D:\SteamLibrary\steamapps\common\Game Dev Tycoon
AppID 242050 : "Assassin's Creed IV Black Flag" : D:\SteamLibrary\steamapps\common\Assassin's Creed IV Black Flag
AppID 244850 : "Space Engineers" : D:\SteamLibrary\steamapps\common\SpaceEngineers
AppID 245490 : "Trials Fusion" : D:\SteamLibrary\steamapps\common\Trials Fusion
AppID 252490 : "Rust" : E:\SteamLibrary\steamapps\common\Rust
AppID 252950 : "Rocket League" : D:\SteamLibrary\steamapps\common\rocketleague
AppID 255710 : "Cities: Skylines" : D:\SteamLibrary\steamapps\common\Cities_Skylines
AppID 261640 : "Borderlands: The Pre-Sequel" : D:\SteamLibrary\steamapps\common\BorderlandsPreSequel
AppID 265550 : "Dead Rising 3" : E:\SteamLibrary\steamapps\common\deadrising3
AppID 271590 : "Grand Theft Auto V" : D:\SteamLibrary\steamapps\common\Grand Theft Auto V
AppID 285330 : "RollerCoaster Tycoon 2: Triple Thrill Pack" : D:\SteamLibrary\steamapps\common\Rollercoaster Tycoon 2
AppID 287390 : "Metro: Last Light Redux" : D:\SteamLibrary\steamapps\common\Metro Last Light Redux
AppID 287700 : "METAL GEAR SOLID V: THE PHANTOM PAIN" : D:\SteamLibrary\steamapps\common\MGS_TPP
AppID 298110 : "Far Cry 4" : E:\SteamLibrary\steamapps\common\Far Cry 4
AppID 301640 : "Zombie Army Trilogy" : D:\SteamLibrary\steamapps\common\Zombie Army Trilogy
AppID 302510 : "Ryse: Son of Rome" : D:\SteamLibrary\steamapps\common\Ryse Son of Rome
AppID 306130 : "The Elder Scrolls Online" : D:\SteamLibrary\steamapps\common\Zenimax Online
AppID 313160 : "Farming Simulator 15" : D:\SteamLibrary\steamapps\common\Farming Simulator 15
AppID 314160 : "Microsoft Flight Simulator X: Steam Edition" : D:\SteamLibrary\steamapps\common\FSX
AppID 320300 : "Car Mechanic Simulator 2015" : D:\SteamLibrary\steamapps\common\Car Mechanic Simulator 2015
AppID 321040 : "DiRT 3 Complete Edition" : E:\SteamLibrary\steamapps\common\DiRT 3 Complete Edition
AppID 330830 : "Tales from the Borderlands" : D:\SteamLibrary\steamapps\common\Tales from the Borderlands
AppID 330840 : "Game of Thrones - A Telltale Games Series" : D:\SteamLibrary\steamapps\common\Game of Thrones
AppID 350080 : "Wolfenstein: The Old Blood " : D:\SteamLibrary\steamapps\common\Wolfenstein The Old Blood
AppID 359320 : "Elite Dangerous" : D:\SteamLibrary\steamapps\common\Elite Dangerous
AppID 362890 : "Black Mesa" : E:\SteamLibrary\steamapps\common\Black Mesa
AppID 365670 : "Blender" : D:\SteamLibrary\steamapps\common\Blender
AppID 374320 : "DARK SOULS™ III" : E:\SteamLibrary\steamapps\common\DARK SOULS III
AppID 377160 : "Fallout 4" : E:\SteamLibrary\steamapps\common\Fallout 4
AppID 379720 : "DOOM" : D:\SteamLibrary\steamapps\common\DOOM
AppID 383870 : "Firewatch" : E:\SteamLibrary\steamapps\common\Firewatch
AppID 419270 : "Elite Dangerous: Horizons" : D:\SteamLibrary\steamapps\common\Elite Dangerous Horizons
AppID 421020 : "DiRT 4" : D:\SteamLibrary\steamapps\common\DiRT 4
AppID 427520 : "Factorio" : D:\SteamLibrary\steamapps\common\Factorio
AppID 431240 : "Golf With Your Friends" : D:\SteamLibrary\steamapps\common\Golf With Your Friends
AppID 431730 : "Aseprite" : E:\SteamLibrary\steamapps\common\Aseprite
AppID 453090 : "Parkitect" : D:\SteamLibrary\steamapps\common\Parkitect
AppID 489830 : "The Elder Scrolls V: Skyrim Special Edition" : D:\SteamLibrary\steamapps\common\Skyrim Special Edition
AppID 493340 : "Planet Coaster" : D:\SteamLibrary\steamapps\common\Planet Coaster
AppID 578080 : "PLAYERUNKNOWN'S BATTLEGROUNDS" : C:\Program Files (x86)\Steam\steamapps\common\PUBG
'@

$installed = $output -split "`n" | %{$_ -replace ' : ', ','; $_ -replace "`n", ""; $_.Trim()} | ConvertFrom-Csv -Header 'AppID', 'Name', 'Path'
$folders = @(
    'C:\Program Files (x86)\Steam\steamapps\common',
    'D:\SteamLibrary\steamapps\common',
    'E:\SteamLibrary\steamapps\common'
)
$inFolders = $folders | gci -Directory | Select -ExpandProperty FullName
$paths = $installed.Path | ? {[string]::IsNullOrWhiteSpace($_) -eq $false} | %{$_.Trim()}
$illigalFolders = $inFolders | ? {$paths -notcontains $_}