WinHTTP Web Proxy Auto-Discovery Service service is stopped

But one morning I found that all my computers could not access the internet. Ping ISA fails. It is normal after restart. I check that there are 3 logs in the system log. Web Proxy logs:
1. The WinHTTP Web Proxy Auto-Discovery Service has been idle for 15 minutes, it will be shut down.
2. The WinHTTP Web Proxy Auto-Discovery Service suspended operation.
3. The WinHTTP Web Proxy Auto-Discovery Service service is stopped.
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Solution: Set the services on which WinHTTP Web Proxy Auto-discovery service depends to auto.
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1. The problem occurs because the server has multiple NICs, some of which are disabled and DHCP is used.
Solution:
Enable the disabled Nic and assign a non-existent IP address.

2. It is estimated that the pirated system has problems with time synchronization.
Solution:
1. Disable Automatic time synchronization.

Most of the reasons are as follows:
Solution:
Disable win2003 WinHTTP Web Proxy Auto-Discovery Service.
Double-click the time in the lower-right corner and remove the "Synchronize automatically with Internet time server" option on the "Internet time" tab.
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The DHCP Client service that is dependent on the WinHTTP Web Proxy Auto-discovery service cannot be started due to the following errors:
The service cannot be started because it is disabled or the associated device is not started.
For more information, see Help and Support Center in http://go.microsoft.com/fwlink/events.asp.

After searching, we can see that there are two possible problems:
1. Hackers use the "WinHTTP Web Proxy Auto-Discovery Service" of the server to launch attacks.
2. "automatic synchronization with Internet time server" is enabled for Windows"

The solution is as follows:
1. Disable the WinHTTP Web Proxy Auto-Discovery Service.

2. Remove the "Synchronize automatically with Internet time server" option on the "Internet time" tab.