To reduce the size of some of my virtual machines, I often run the Windows cleanup tool to get rid of update artifacts and temporary files. While the
cleanmgr command has some undocumented options such as /setup, /autoclean and /verylowdisk, I could not achive what I wanted with any combination of these: I wanted to have one command that simply cleans _everything_ without interaction. TL;DR: Put this in a batch file:
@echo off
set rootkey=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches
for /f "tokens=*" %%K in ('reg query %rootkey%') do >NUL REG add "%%K" /v StateFlags0000 /t REG_DWORD /d 2 /f
cleanmgr /sagerun:0
cleanmgr /sageset:0 and checking all the boxes. It then runs cleanmgr /sagerun:0 which non-interactively calls cleanmgr performing every cleanup task available. Remember to run this as an administrator to remove Windows update artifacts.
Here's the same thing in PowerShell in case you care:
$vol = Get-Item HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches
$vol.GetSubKeyNames() | ForEach-Object { $vol.OpenSubKey($_, $true).SetValue('StateFlags0000', 2) }
cleanmgr /SAGERUN:0
Start-Process -WindowStyle hidden cleanmgr /SAGERUN:0and the first window will be hidden, butcleanmgrseems to launch additional processes not inheriting the hidden property which will consequently pop up anyway. Currently not sure how to do this properly =(.