New subject: [Bug 54620] advapi32:registry causes mshtml:htmldoc to time out when run without elevated privileges on Windows 8

5 Mar 2023


      https://bugs.winehq.org/show_bug.cgi?id=54620
Bug ID: 54620
           Summary: advapi32:registry causes mshtml:htmldoc to time out
                    when run without elevated privileges on Windows 8
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mshtml
          Assignee: wine-bugs@winehq.org
          Reporter: fgouget@codeweavers.com
advapi32:registry causes mshtml:htmldoc to time out when run without elevated
privileges on Windows 8:
htmldoc.c:6220: put_href L"about:replace"...
htmldoc.c:6503: open...
htmldoc.c:6503: open...
mshtml:htmldoc:0744 done (258) in 120s 899B
See https://test.winehq.org/data/patterns.html#mshtml:htmldoc
This timeout does not happen when running mshtml:htmldoc on its own. I
determined that the source of interference is advapi32:registry and that the
timeout is caused by a UAC prompt:
A website wants to open web content using this
  program on your computer.
This program will open outside of Protected mode. Internet Explorer's
  Protected mode helps protect your computer. If you do not trust this
  website, do not open this program.
Name:      Microsoft Edge
  Publisher: Microsoft Corporation
This happens in the IHTMLWindow2_open() call in test_open_window() in
htmldoc.c:
hres = IHTMLWindow2_open(window, url, name, NULL, VARIANT_FALSE,
&new_window);
So this issue is very similar to the ieframe:ie one described in bug 54613.
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[Bug 54620] New: advapi32:registry causes mshtml:htmldoc to time out when run without elevated privileges on Windows 8