#Requires -RunAsAdministrator

# Windows Update cache
Stop-Service wuauserv -Force -ErrorAction SilentlyContinue
Remove-Item "C:\Windows\SoftwareDistribution\Download\*" -Recurse -Force -ErrorAction SilentlyContinue
Start-Service wuauserv -ErrorAction SilentlyContinue

# Temp folders
Remove-Item "$env:TEMP\*"           -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item "C:\Windows\Temp\*"     -Recurse -Force -ErrorAction SilentlyContinue

# Windows Error Reporting archives
Remove-Item "C:\ProgramData\Microsoft\Windows\WER\*" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item "C:\Windows\Minidump\*"  -Force -ErrorAction SilentlyContinue
Remove-Item "C:\Windows\MEMORY.DMP"  -Force -ErrorAction SilentlyContinue

# Prefetch (small, but consistent)
Remove-Item "C:\Windows\Prefetch\*" -Force -ErrorAction SilentlyContinue

# Event logs
Get-EventLog -LogName * -ErrorAction SilentlyContinue | ForEach-Object {
    Clear-EventLog -LogName $_.Log -ErrorAction SilentlyContinue
}

# DISM: remove superseded Windows component store entries
DISM /Online /Cleanup-Image /StartComponentCleanup /ResetBase

# Compact OS: reduces on-disk footprint using XPRESS4K compression
Compact.exe /CompactOS:Always

Write-Output "Cleanup complete."