Repairing Steam Desktop Icons

getsteamicons.ps1

$cdnUrl = "https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/apps/"
$steamFolder = (Get-Item HKCU:\Software\Valve\Steam).GetValue("SteamPath") + "/steam/games/"
# $steamFolder = "C:/Program Files (x86)/Steam/steam/games"
$desktopPath = [Environment]::GetFolderPath("Desktop")
$currentDirectory = $PWD

# Check if we have write access to $steamFolder
if (Test-Path -Path $steamFolder) {
  try {
      $testFile = Join-Path -Path $steamFolder -ChildPath "test.txt"
      "Write test" | Out-File -FilePath $testFile -Force
      Remove-Item -Path $testFile -Force
  } catch {
      # If we can't write to $steamFolder, request admin rights
      Start-Process powershell -Verb runAs -ArgumentList "-NoProfile -c cd '$currentDirectory'; .\getsteamicons.ps1"
      exit
  }
}

# Get all .url files
$urlFiles = Get-ChildItem -Path $desktopPath -Filter *.url

# Walk through all .url files
foreach ($urlFile in $urlFiles) {
    # Read content of .url
    $urlContent = Get-Content -Path $urlFile.FullName

    # Create hash table for appID and iconFile
    $urlData = @{}

    # if it is steam game link
    if ($urlContent -match "steam://rungameid") {
      # Walk through all lines in .url
      foreach ($line in $urlContent) {
        if ($line -match '^\s*([^=]+)\s*=\s*(.+)') {
          $key = $Matches[1].Trim()
          $value = $Matches[2].Trim()

          # Extract appID and iconFile
          if ($key -eq "URL") {
            $urlData["appID"] = $value.Split("/")[-1]
          }
          if ($key -eq "IconFile") {
            $urlData["iconFile"] = (Split-Path -Path $value -Leaf)
          }
        }
      }

      $appID = $urlData['appID']
      $iconFile = $urlData['iconFile']
      Write-Host "Downloading icon for $($urlFile.Name)..."
      Invoke-WebRequest -Uri "$cdnUrl$appID/$iconFile" -OutFile "$steamFolder/$iconFile"
      Write-Host "...done."
    }

}

Read-Host "Please press Enter to exit"

You may need to run Set-ExecutionPolicy RemoteSigned first if it's your first time running a PowerShell script.

1. Click on Raw.
2. Save the file as getsteamicons.ps1.
3. Right-click on getsteamicons.ps1 in Explorer.
4. Select "Run with PowerShell."