Windows 7 is best not to shut down 9 services

1. DNSClient
If the DNS client service is stopped, it will continue to resolve the DNS name. Then, the query result of 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.

DNS Services
2, Network Connections
<quo;Network and Dial-up Connections Objects in folders where you can see LAN and remote connections. If you stop this service, you will not be able to configure the network, you will not be able to create a network link, and you will not be able to access the Internet.
3, Plug and Play
enables computers to recognize and adapt to hardware changes with little or no user input. Terminating or disabling this service can cause system instability.
4, PRint Spooler
Load files into memory for later printing. This is a print service.

Print Spooler
5, Remote Procedure Call
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. If this service is disabled or disabled, programs that use COM or DCOM will not work properly. So the RPCSS service must be running. Bybidding it, your system won't start.
6, Workstation
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, your computer will disappear on the intranet.

Workstation
7, Network Location Awareness
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 and all services that depend on this service will not be able to start. This is a wireless network link, but forbidding it will have a lot of weird things happening.
8, DHCP Client
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. By then you will only have to set the IP manually.
9, Cryptographic Services
used to add and remove certificates from the trusted root certification authority; automatic root certificate update service for retrieving root certificates and enabling SSL from Windows Update, confidential A key service that assists in registering this computer to obtain a certificate. 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.

Cryptographic Services