Microsoft Xmlhttp Msxml3 - Dll Error 800c0005

If you’ve been working with legacy ASP, classic VBScript, or older Windows applications that rely on Microsoft XMLHTTP (MSXML), you might have run into this cryptic error: msxml3.dll error ‘800c0005’ The system cannot locate the resource specified. It’s frustrating because the message is vague, and the causes range from simple network issues to deep registry corruption. Let’s break down what this error means, why it happens, and—most importantly—how to fix it. What Is Error 800C0005? In plain terms, 800c0005 is a URL resolution failure . The MSXML HTTP request object tried to fetch a resource (an API endpoint, an XML feed, a web page), but the operating system could not locate the server or path.

regsvr32.exe %windir%\SysWOW64\msxml3.dll If you use a proxy, configure your code to use ServerXMLHTTP with a WinHTTP object that respects proxy settings: microsoft xmlhttp msxml3 dll error 800c0005

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\WinHttp] "DefaultSecureProtocols"=dword:00000a00 For 32-bit apps on 64-bit Windows, also add: If you’ve been working with legacy ASP, classic

Set req = CreateObject("MSXML2.XMLHTTP") req.Open "GET", "https://oldapi.example.com/data.xml", False req.Send '<-- Error 800c0005' What Is Error 800C0005