add output for ad-hoc runs

Fix-HighCPUUsage.ps1

@@ -1,2 +1,3 @@
 # Terminate known high CPU processes
+Write-Output "Terminating all running instances of reg.exe and AgentPackageTaskManagement.exe"
 'reg', 'AgentPackageTaskManagement' | ForEach-Object { Get-Process -Name $_ -ErrorAction SilentlyContinue | Stop-Process -Force }