WinHTTP implements the client HTTP stack and provides developers with a Win32 API and COM Automation component for sending HTTP requests and receiving responses. In addition, WinHTTP provides support for auto-discovering a proxy configuration via its implementation of the Web Proxy Auto-Discovery (WPAD) protocol.
This service also exists in Windows 10, 11, 8 and Vista.
Windows 7 edition | without SP | SP1 |
---|---|---|
Starter | Manual | Manual |
Home Basic | Manual | Manual |
Home Premium | Manual | Manual |
Professional | Manual | Manual |
Ultimate | Manual | Manual |
Enterprise | Manual | Manual |
Display name: | WinHTTP Web Proxy Auto-Discovery Service |
Service name: | WinHttpAutoProxySvc |
Type: | share |
Path: | %WinDir%\system32\svchost.exe -k LocalService |
File: | winhttp.dll |
Error control: | normal |
Object: | NT AUTHORITY\LocalService |
Privileges: |
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The WinHTTP Web Proxy Auto-Discovery Service runs as NT AUTHORITY\LocalService in a shared process. It shares the executable file with other services. If the WinHTTP Web Proxy Auto-Discovery Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WinHttpAutoProxySvc service has failed to start.
WinHTTP Web Proxy Auto-Discovery Service will not start, if the DHCP Client service is stopped or disabled.
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreWinHTTPWebProxyAutoDiscoveryServiceWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the winhttp.dll
file exists in the folder. If this file is missing you can try to restore it from your Windows 7 installation media.