There are many services in the Windows system that support its operation. However, is it necessary to enable all Windows services? Actually, no, not all Windows services are useful for every user. Below, we will discuss some of the Windows services that you might want to disable.
5. Remote Registry: Function: Allows remote users to modify the registry settings on this computer. From this explanation, I believe everyone understands how dangerous this can be. The registry is essentially the core of the system, and general users are not recommended to make changes to it themselves, let alone allow others to modify it remotely. Therefore, it's better to disable this service.
6. Fast User Switching Compatibility: Function: Provides management for applications that need assistance under a multi-user environment. This feature allows you to quickly switch users in Windows XP. However, there is a vulnerability with this function. When you click "Start → Log Off → Fast Switch" and repeatedly input the same username to log in, the system may automatically consider it as a brute-force attack and lock all non-administrator accounts. If your computer doesn't normally use this feature, you can disable the service. Alternatively, you can uncheck "Use Fast User Switching" in "Control Panel → User Accounts → Change the way users log on or off."
7. Telnet: Function: Allows remote users to log into this computer and run programs, supporting multiple TCP/IP Telnet clients. This is a very risky service, as it allows remote users to log in and access local programs. Unless you are sure you need this functionality, it's better to disable it.
8. Remote Desktop Help Session Manager: If this service is stopped, Remote Assistance will not be available.
9. TCP/IP NetBIOS Helper: For single-computer users or those who do not need file and print sharing, it's safe to disable this service.