Run Cleanmgr on remote PC as System user - windows

Question

So i'm trying to run CleanMgr via powershell on a remote computer. Since CleanMgr has a GUI Powershell cannot run it directly, as described here
If you do this then CleanMgr will hang forever waiting for user input. So this means we have to approach this differently.
I tried several approaches, see below. But non of them works like i would. It still hangs OR runs attached from powershell giving no feedback when done.
Simply put i want to run (remotely) CleanMgr on our Office PC's from my PC (Domain Admin).
Invoke-Command -ComputerName $ComputerOBJ -ScriptBlock {
# Create registry values
Write-Host "Setup keys..."
$volumeCaches = Get-ChildItem "HKLM:\Software\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches"
foreach ($key in $volumeCaches) {
Set-ItemProperty -Path "$($key.PSPath)" -Name StateFlags0333 -Value 2
}
# Execute Disk Cleanup Tool (cleanmgr.exe)
#Write-Host 'Starting CleanMgr.exe...'
Attempt 1:
Start-Process -FilePath "CleanMgr.exe" -ArgumentList '/sagerun:333' -NoNewWindow
Attempt 2:
Start-Process -FilePath "CleanMgr.exe" -ArgumentList '/sagerun:333' -WindowStyle Hidden
Attempt 3:
Invoke-WmiMethod -Class Win32_Process -Name "Create" -ArgumentList 'CleanMgr.exe /sagerun:333'
Attempt 4:
C:\temp\PsExec.exe \\$ComputerOBJ CleanMgr.exe /sagerun:333
Attempt 5:
$A = New-ScheduledTaskAction -Execute "cleanmgr.exe" -Argument '/sagerun:333'
$T = New-ScheduledTaskTrigger -Once -At (get-date).AddSeconds(1); $t.EndBoundary = (get-date).AddSeconds(60).ToString('s')
$S = New-ScheduledTaskSettingsSet -StartWhenAvailable -DeleteExpiredTaskAfter 00:00:30
Register-ScheduledTask -Force -user SYSTEM -TaskName "Run CleanMgr" -Action $A -Trigger $T -Settings $S
#Wait until Clean is done.
Write-Host 'Waiting for CleanMgr and DismHost processes to complete...'
Get-Process -Name cleanmgr, dismhost -ErrorAction SilentlyContinue | Wait-Process
# Remove the previously created registry values
Write-Host "Cleanmgr completed, now deleting keys"
$volumeCaches = Get-ChildItem "HKLM:\Software\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches"
foreach ($key in $volumeCaches) {
Remove-ItemProperty -Path "$($key.PSPath)" -Name StateFlags0333 -Force
}
}