China DOS Union

Remote Access Auto Connection Manager
Microsoft: Creates a connection to a remote network whenever a program references a remote DNS or NetBIOS name or address.
Additional note: Some DSL/Cable providers may need this to handle the login process.
Dependency: Remote Access Connection Manager、Telephony
Recommendation: Manual

Remote Access Connection Manager
Microsoft: Creates network connections.
Additional note: Used for network connections.
Dependency: Telephony、Internet Connection Firewall (ICF) / Internet Connection Sharing (ICS)、Remote Access Auto Connection Manager
Recommendation: Manual

Remote Desktop Help Session Manager
Microsoft: Manages and controls Remote Assistance. If this service is stopped, Remote Assistance will be unavailable. Before stopping this service, see the tab in the Properties dialog box.
Additional note: As said above, this manages and controls Remote Assistance; if you do not use it, turn it off.
Dependency: Remote Procedure Call (RPC)
Recommendation: Disable

Remote Procedure Call (RPC) (Remote Procedure Call, RPC)
Microsoft: Provides the endpoint mapper and other RPC services.
Additional note: A lot of components depend on it, don't touch it.
Dependency: Too many, go look for yourself
Recommendation: Automatic

Remote Procedure Call (RPC) Locator
Microsoft: Manages the RPC name service database.
Additional note: As above, this is rarely used on ordinary computers, you can try turning it off.
Dependency: Workstation
Recommendation: Disable

Remote Registry
Microsoft: Enables remote users to modify registry settings on this computer. If this service is stopped, the registry can be modified only by users on this computer. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: For security reasons, unless you have a special need, it is best to turn it off, unless you need Remote Assistance to modify your registry settings.
Dependency: Remote Procedure Call (RPC)
Recommendation: Disabled

Removable Storage
Microsoft: None
Additional note: Unless you have a Zip drive, USB-type portable hardware, or a tape backup device, otherwise you can try turning it off.
Dependency: Remote Procedure Call (RPC)
Recommendation: Disable

Routing and Remote Access
Microsoft: Offers routing services to businesses for connecting to local area networks and wide area networks.
Additional note: As stated above, it provides dial-up connections to LANs or VPN services; ordinary users do not need it.
Dependency: Remote Procedure Call (RPC)、NetBIOSGroup
Recommendation: Disabled

Secondary Logon
Microsoft: Enables starting processes under alternate credentials. If this service is stopped, this type of logon access will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: Allows multiple-user process handling, running alternate identities, etc.
Recommendation: Automatic

Security Accounts Manager
Microsoft: Stores security information for local accounts.
Additional note: Used for managing accounts and group policies (gpedit.msc).
Dependency: Remote Procedure Call (RPC)、Distributed Transaction Coordinator
Recommendation: Automatic

Server
Microsoft: Supports file, print, and named-pipe sharing over the network for this computer. If this service is stopped, these functions will be unavailable. If this service is disabled, any services that depend on it will fail to start.
Additional note: Simply put, this is file and printer sharing. Unless you are sharing with other computers, turn it off.
Dependency: Computer Browser
Recommendation: Disabled

Shell Hardware Detection
Microsoft: Provides notifications for AutoPlay hardware events.
Additional note: Generally used for memory cards, CD devices, and DVD devices.
Dependency: Remote Procedure Call (RPC)
Recommendation: Automatic

Smart Card
Microsoft: Manages access to smart cards read by this computer. If this service is stopped, the computer will be unable to read smart cards. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: If you do not use Smart Card, then you can turn it off.
Dependency: Plug and Play
Recommendation: Disabled

Smart Card Helper
Microsoft: Enables support for legacy non-Plug and Play smart card readers used with this computer. If this service is stopped, the computer will not support legacy readers. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: If you do not use Smart Card, then you can turn it off.
Recommendation: Disabled

SSDP Discovery Service
Microsoft: Enables discovery of Universal Plug and Play devices on your home network.
Additional note: As stated above, Universal Plug and Play (UPnP) allows a computer to find and use devices on the network, searching for devices over a network connection through TCP/IP, such as network scanners, digital cameras, or printers. In other words, it is the UPnP function; for security reasons, if you do not use it, you can safely turn it off.
Dependency: Universal Plug and Play Device Host
Recommendation: Disabled

System Event Notification
Microsoft: Tracks system events such as Windows logon, network, and power events. Notifies COM+ Event System subscribers of these events.
Additional note: As stated above.
Dependency: COM+ Event System
Recommendation: Automatic

System Restore Service
Microsoft: Performs the System Restore function. To stop the service, go to My Computer->Properties and turn off System Restore under .
Additional note: Restores the computer to a previous state; if you do not use it, turn it off.
Dependency: Remote Procedure Call (RPC)
Recommendation: Disabled

Task Scheduler
Microsoft: Enables a user to configure and schedule automated tasks on this computer. If this service is stopped, these tasks will not run at their scheduled times. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: Sets up scheduled automatic tasks, such as scheduled disk scans, scheduled virus scans, updates, etc.
Dependency: Remote Procedure Call (RPC)
Recommendation: Automatic

TCP/IP NetBIOS Helper
Microsoft: Enables support for the service and NetBIOS name resolution.
Additional note: If your network does not use NetBios or WINS, you can just turn it off.
Dependency: AFD network support environment、NetBt
Recommendation: Disabled

Telephony
Microsoft: Provides Telephony API (TAPI) support for programs that control telephony devices and IP-based voice connections on the local computer and on servers connected through a local area network that are running this service.
Additional note: Ordinary dial-up modems or some DSL/Cable setups may use this.
Dependency: Plug and Play、Remote Procedure Call (RPC)、Remote Access Connection Manager、Remote Access Auto Connection Manager
Recommendation: Manual

Telnet
Microsoft: Enables a remote user to log on to this computer and run programs, and supports a variety of TCP/IP Telnet clients, including UNIX-based and Windows-based computers. If the service is stopped, remote users may be unable to access programs. If the service is disabled, any other services that explicitly depend on it will fail to start.
Additional note: Allows remote users to log on to this computer via Telnet. Ordinary people often mistakenly think that if this is turned off they cannot use BBS, but this actually has nothing to do with BBS. For security reasons, unless there is a special need, it is best to turn it off.
Dependency: NT LM Security Support Provider、Remote Procedure Call (RPC)、TCP/IP Protocol Driver
Recommendation: Disabled

Terminal Services
Microsoft: Allows multiple users to connect interactively to a single computer, shows desktops and applications on remote computers. Includes Remote Desktop enhancements (including administrators' RD), Fast User Switching, Remote Assistance, and Terminal Server.
Additional note: Functions for Remote Desktop or Remote Assistance; if you do not need them, turn them off.
Dependency: Remote Procedure Call (RPC)、Fast User Switching Compatibility、InteractiveLogon
Recommendation: Disabled

Themes
Microsoft: Provides user experience theme management.

Additional note: Many people use themes, but if you do not, then you can turn this off.
Recommendation: Automatic

Uninterruptible Power Supply
Microsoft: Manages the uninterruptible power supply (UPS) connected to this computer.
Additional note: Does the average person use a UPS? Unless your power supply supports this function, just turn it off.
Recommendation: Disabled

Universal Plug and Play Device Host
Microsoft: Provides support for hosting Universal Plug and Play devices.
Additional note: Used to detect and install Universal Plug and Play (UPnP) devices such as digital cameras or printers.
Dependency: SSDP Discovery Service
Recommendation: Disabled

Volume Shadow Copy
Microsoft: Manages and implements volume shadow copies used for backup and other purposes. If this service is stopped, shadow copies cannot be used for backup, and backup may fail. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: As stated above, this is for backup-related stuff, for example the MS Backup program needs this service.
Dependency: Remote Procedure Call (RPC)
Recommendation: Disabled

WebClient
Microsoft: Enables Windows-based programs to create, access, and modify Internet-based files. If this service is stopped, these functions will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: Uses WebDAV to upload files or folders to all Web services. For security reasons, you can try turning it off.
Dependency: WebDav Client Redirector
Recommendation: 淹Ｓ?

Windows Audio
Microsoft: Manages audio devices for Windows-based programs. If this service is stopped, audio devices and effects will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional note: If you do not have a sound card, you can turn it off.
Dependency: Plug and Play、Remote Procedure Call (RPC)
Recommendation: Automatic

Windows Image Acquisition (WIA)
Microsoft: Provides image acquisition services for scanners and digital cameras.
Additional note: If your scanner or digital camera internally supports WIA, then image files can be viewed directly without other drivers, so users without scanners or digital cameras can simply turn it off.
Dependency: Remote Procedure Call (RPC)
Recommendation: Disabled

Windows Installer
Microsoft: Installs, repairs, and removes software according to instructions contained in .MSI files.
Additional note: This is a system service that helps users correctly install, configure, track, upgrade, and remove software programs. It can manage the standard formats used to build and install applications, and tracks components such as file groups, registry entries, and shortcuts.
Dependency: Remote Procedure Call (RPC)
Recommendation: Manual

Windows Management Instrumentation (WMI)
Microsoft: Provides a common interface and object model to access management information about the operating system, devices, applications, and services. If this service is stopped, most Windows software will not function properly. If this service is disabled, all services depending on it will fail to start.
Additional note: As stated above, this is a service that provides a standard infrastructure for monitoring and managing system resources, so you have no choice but to leave it alone.
Dependency: Event Log、Remote Procedure Call (RPC)
Recommendation: Automatic

Windows Management Instrumentation Driver Extensions
Microsoft: Provides management information to and from drivers.
Additional note: An extension of Windows Management Instrumentation, used to provide information.
Recommendation: Manual

Windows Time
Microsoft: Maintains date and time synchronization across all clients and servers on the network. If this service is stopped, date and time synchronization cannot be performed. If this service is disabled, all dependent services will stop.
Additional note: Used for network time synchronization; if unnecessary, turn it off.
Recommendation: Disabled

Wireless Zero Configuration
Microsoft: Provides automatic configuration for 802.11 adapters
Additional note: Automatically configures wireless network devices. In other words, unless you are using a wireless network adapter, there is no need for this wireless zero management service.
Dependency: NDIS Usermode I/O Protocol、Remote Procedure Call (RPC)
Recommendation: Disabled

WMI Performance Adapter
Microsoft: Provides performance library information from WMIHiPerf providers.
Additional note: As mentioned above.
Dependency: Remote Procedure Call (RPC)
Recommendation: 已停用l

Workstation
Microsoft: Creates and maintains client network connections to remote servers. If this service is stopped, these connections will be unavailable. If this service is disabled, any services that depend on it will fail to start.
Additional note: Some functions necessary for Internet connections.
Dependency: Alerter、Background Intelligent Transfer Service、Computer Browser、Messenger、Net Logon、Remote Procedure Call (RPC) Locator
Recommendation: Automatic