qm shutdown windows時會出現無法shutdown的問題
必須修改windows 的設定

1. Start / Run / gpedit.msc
2. Drill into Computer Configuration / Windows Settings / Security Settings / Local Policies / Security Options. Find the entry named "Shutdown: Allow system to be shut down without having to log on". Double click on it, change it to "Enabled".
3. Drill into Computer Configuration / Administrative Templates / System. Find the entry named "Display Shutdown Event Tracker". Double click on it, change it to "Disabled".

linux則需安裝acpid