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webbrowser show error code:-379 Options
TK
Posted: Sunday, November 1, 2026 5:11:20 PM
Rank: Member
Groups: Member

Joined: 4/10/2016
Posts: 15
I shows 4 webview in my c# application, 1 of them shows error "The page failed to Load" and "Error code: -379".
What is that mean?
eo_support
Posted: Monday, November 2, 2026 6:58:21 AM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,525
Hi,

Error code -379 is HTTP_RESPONSE_CODE_FAILURE. That usually means a secondary HTTP request that was needed to complete the primary request has failed. For example, a network might have configured a PAC file Url that contains script to automatically resolve proxy settings. Before the browser can load the actual page, it must download the PAC file so that it can run the proxy resolution script. When that request fails the browser can go no further and you will get this error code.

There are many different scenarios that can trigger this error. For example, another scenario could be the browser failed to verify a certificate over the network. If the problem can be reproduced with a specific Url you can sent us the Url and we will try to debug into it here to see if we can find out exactly what triggered it.

Thanks!


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