Okay, I'm trying to figure out whether this QEMU guest agent bug is user-mode or system-mode related. The problem occurs when installing the QEMU guest agent on Windows, specifically failing because the COM+ component isn't properly uninstalled. The user provided steps showing that after uninstalling, the COM+ application (QEMU Guest Agent VSS Provider) still exists. They had to manually run `qemu-ga.exe -s vss-uninstall` to remove it before they could reinstall successfully. So, looking at this, the issue involves installing and managing a COM+ component which is part of Windows' system services. COM+ components typically require higher privileges because they interact with system-level processes and are used for enterprise-level applications. Since the problem arises during installation involving these system components and requires administrative rights to resolve, it seems like a system-mode issue. Additionally, the VSS (Volume Shadow Copy Service) is involved, which is a low-level Windows service used for taking snapshots of volumes. This further indicates that the issue touches on system-level functionality rather than user applications or processes. Therefore, this bug report falls under 'system-mode' because it's related to higher-privilege operations and system services. The bug involves issues with COM+ components and VSS services, which are system-level processes requiring higher privileges. system