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Error 12029 with WININET

Posted on 2004-03-31
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Last Modified: 2010-08-05
This is a crosspost but I MUST have an answer and am at the end of my proverbial rope.

I have what I think is a relatively simple piece of code.  It uses WININET
to "contact" a URL and then grab the ASP.NET generated XML.   As is typical
with many of these bugs that make me tear at my hair, this works on two
hundred machines, and fails on one.   Therefore I am thinking it to be
environmental.  Here is the code:

===============================

    hOpen = InternetOpen(scUserAgent, INTERNET_OPEN_TYPE_PRECONFIG,
vbNullString, vbNullString, 0)

    If hOpen = 0 Then
        glErrNbr = Err.LastDllError
        gsErrMsg = "Error in InternetOpen call"
        GoTo GetSourceErr
    End If

    hOpenUrl = InternetOpenUrl(hOpen, URL, vbNullString, 0,
INTERNET_FLAG_RELOAD, 0)

    If hOpenUrl = 0 Then
        glErrNbr = Err.LastDllError
        gsErrMsg = "Error in InternetOpenURL call"
        GoTo GetSourceErr
    End If

===============================

InternetOpenUrl raises the error 12029.

The call is to an https: address.

That same URL functions perfectly on that machine if pasted into Internet
Explorer.  The machine is WindowsXP, OfficeXP, IE 6.0.2800.1106.

Note that this same user has an issue using a Wise Installer web-deployed
install.  It ==must== be some sort of setting like it is trying to use a
non-existent proxy (???).  Is it not so?

Again, the same URL that fails with Wininet in
code works in IE.  

He can do other tasks like surf and fetch email.

I'd appreciate any ideas at all on what to look for.

Thank you, all.

John
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Question by:JXCovert
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1 Comment
 
LVL 10

Accepted Solution

by:
Kavar earned 1500 total points
ID: 10729677
could be several things... is he running any kind of spyware blocker/ popup guard??

what happens when you
 hOpenUrl = InternetOpenUrl(hOpen, URL, vbNullString, 0,0, 0)
instead?
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