Win7 must not be closed for services.

In Windows
, we often mentioned that turning off some unused services can improve system performance and boot time, but some services can never be turned off. of. Let's talk about 8 Windows
7 services that cannot be closed. 1. DNS Client official explanation: The DNS client service (dnscache) caches the Domain Name System (DNS) name and registers the full computer name of the computer. If the service is stopped, the DNS name will continue to be resolved. However, the query results for the DNS name will not be cached and the computer name will not be registered. If you stop this service, your computer
will not be able to interpret the DNS information and cannot log in to the website with a domain name. 2, Network Connections official explanation: Manage "network and dial-up connection" folder object, in which you can view the LAN and remote connection. If you stop this service, you can't configure the network, you can't create a network link, you can't go online. 3, Plug and Play official explanation: enable the computer to recognize and adapt to hardware changes with little or no user input. Terminating or disabling this service can cause system instability. 4. Remote Procedure Call (RPC) Official explanation: The RPCSS service is the service control manager for COM and DCOM servers. It performs object activation requests for COM and DCOM servers, object exporter parsing, and distributed garbage collection. Programs that use COM or DCOM will not work if this service is disabled or disabled. It is highly recommended that you let the RPCSS service run. This is very important (that is, very important meaning), forbid him, your system can't start. 5, Workstation official explanation: use the SMB protocol to create and maintain a connection between the client network and the remote server. If this service is stopped, these connections will not be available. If this service is disabled, any services that explicitly depend on it will not be able to start. As the name implies, it is forbidden, your computer will disappear on the intranet, and don't even want to use medie to play Microsoft's network resources. 6. Network Location Awareness (NLA) Official explanation: Collect and store configuration information of the network, and notify the program when this information is modified. If you stop this service, the configuration information may not be available; if you disable this service, all services that explicitly depend on this service will fail to start. This is a wireless network link, but disabling it can be a problem. 7. DHCP Client official explanation: Register and update the IP address for this computer. If this service is stopped, the computer will not be able to receive dynamic IP addresses and DNS updates. If this service is disabled, all services that explicitly depend on it will not be able to start. DHCP service is forbidden, you only have to set the IP manually. 8. Cryptographic Services Official explanation: Provide four management services: Directory database service for confirming the signature of Windows files and allowing new programs to be installed; protected root service for Add and remove certificates from trusted root certification authorities on the computer; automatic root certificate update service for retrieving root certificates and enabling SSL from Windows Update; key services to assist in registering this computer for certificates. If this service is stopped, these management services will not function properly. If this service is disabled, any services that explicitly depend on it will not be able to start. Disabling this encryption service will cause the computer security index to drop, not automatically update, and you cannot use ssl. Everyone wants their computer speed to be faster. Whether it is the boot speed or the running speed of the software, after the hardware does not become a bottleneck, we can really speed up the system through software. Turn off some software to speed up, but the above eight services, you can not shut down, or it will affect your system security.