Write-Host "==> Uninstalling all WSUS components..." -ForegroundColor Cyan
Uninstall-WindowsFeature UpdateServices, UpdateServices-Services, UpdateServices-UI, UpdateServices-WidDB, UpdateServices-DB -Remove

Write-Host "==> Deleting old WSUS folders..." -ForegroundColor Cyan
Remove-Item -Path "C:\WSUS_Store" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item -Path "C:\Program Files\Update Services" -Recurse -Force -ErrorAction SilentlyContinue

Write-Host "==> Deleting WID SUSDB files (if they exist)..." -ForegroundColor Cyan
Remove-Item -Path "C:\Windows\WID\Data\SUSDB.mdf" -Force -ErrorAction SilentlyContinue
Remove-Item -Path "C:\Windows\WID\Data\SUSDB_log.ldf" -Force -ErrorAction SilentlyContinue

Write-Host "==> Rebooting before clean install..." -ForegroundColor Cyan
Restart-Computer -Force