Windows VM Cleanup before Snapshot

cleanup.bat

REM # -----------------------------------------------------------------
REM # This requires ultradefrag, and sdelete installed.
REM # cinst ultradefrag sysinternals -y
REM # run as Admin
REM # -----------------------------------------------------------------

net stop wuauserv
rmdir /S /Q C:\Windows\SoftwareDistribution\Download
mkdir C:\Windows\SoftwareDistribution\Download
net start wuauserv
rd /s /q %systemdrive%\$RECYCLE.BIN
udefrag.exe --optimize --repeat C:
%SystemRoot%\System32\reg.exe ADD HKCU\Software\Sysinternals\SDelete /v EulaAccepted /t REG_DWORD /d 1 /f
sdelete64.exe -q -z C:

cleanup.ps1

# -----------------------------------------------------------------
# This requires ultradefrag, and sdelete installed.
# cinst ultradefrag sysinternals -y
# run as Admin
# -----------------------------------------------------------------
# @"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://gist.githubusercontent.com/miketweaver/feefa63944e6980a01cae45ffd8491cd/raw/cleanup.ps1'))"
# -----------------------------------------------------------------

# Cleanup Unnecessary Files
Stop-Service wuauserv
Remove-Item -Recurse -ErrorAction SilentlyContinue C:\Windows\SoftwareDistribution\Download\*
Start-Service wuauserv
Get-ChildItem -Path 'C:\$Recycle.Bin' -Force | Remove-Item -Recurse -ErrorAction SilentlyContinue

# Defrag
& udefrag.exe --optimize --repeat C:

# Clear Freespace with 0s
New-Item -Path "HKCU:\Software\Sysinternals" -Name SDelete -Force
Set-ItemProperty -Path HKCU:\Software\Sysinternals\SDelete -Name EulaAccepted -Value 1 -Type DWord
& sdelete64.exe -q -z C: