KB3132372 causes dotnet embedded browsercontrol to crash on sites containing flash

Fixed, not yet flighted Issue #6048350

Details

Created
Jan 4, 2016
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Steps to reproduce

URL:

Repro Steps:

  1. Make sure you have “KB3132372” installed on windows 10 machine.
  2. Download the attached dummy .net .exe and uncompress it.
  3. (Optional - the bug will be caused even if you omit this step but it’s suggested you nevertheless apply it so as to make the testbed more “real-worldish”) You may want to add the following registry keys to the testbed-machine:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION]
"WindowsFormsApplication1.exe"=dword:00002AF8

and:

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION]
"WindowsFormsApplication1.exe"=dword:00002AF8

These registry keys will instruct the OS to advertise as IE11 any and all browsercontrols residing inside any WindowsFormsApplication1.exe process (without these registry keys the webbrowser control will be advertised as IE7).

  1. Open a command prompt and issue the following command into the ‘\bin\Release’ folder:

WindowsFormsApplication1.exe “https://helpx.adobe.com/flash-player.html

The application will hard-crash and a log-entry like the following one will be created in the windows log:

Log Name: Application
Source: Application Error
Date: 1/4/2016 3:41:45 PM
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: […]
Description:
Faulting application name: […].exe, version: […], time stamp: 0x565d9eb7
Faulting module name: KERNELBASE.dll, version: 10.0.10586.0, time stamp: 0x5632d1de
Exception code: 0x80000003
Fault offset: 0x00000000000c2d62
</Event>

Expected Results:

The websites should be loading without issues (just like they do if this specific windows-update gets uninstalled).

Actual Results:

Dev Channel specific:

No

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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Kamen M.”

      Changed Assigned To from “Kamen M.” to “IE S.”

      Changed Status to “Fixed, not yet flighted”

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