Background: I&#39;m new to WinDbg and trying to get it running for the first time. I want to examine a memory dump I took from a running ASP.NET 4 site hosted in IIS 7 on Windows Server 2008 (x86) and downloaded to my local machine.

I installed the [debugging tools][1] and launched WinDbg for the first time, opening the crash dump. I went to **File | Symbol File Path** and set the path to `*srv*c:\symbols*http://msdl.microsoft.com/download/symbols*` and waited for all the symbols to load.

When trying to load SOS, I ran into problems. First, I tried the following command...

    .loadby sos mscorwks

...and received the response `Unable to find module &#39;mscorwks&#39;`.

After scouring the web, I tried to load mscorwks by executing the following command...

    sxe ld mscorwks.dll
    g

...and received the response &quot;No runnable debuggees error in &#39;g&#39;&quot;

I copied SOS.dll (from C:\Windows\Microsoft.NET\Framework\v4.0.30319) into the WinDbg directory, then tried...

    .load sos

...and received the error...

    The call to LoadLibrary(sos) failed, Win32 error 0n193
        &quot;%1 is not a valid Win32 application.&quot;
    Please check your debugger configuration and/or network access.

I&#39;m not quite sure how to proceed. I just want to load SOS and dig around this dump file. Any help would be greatly appreciated.

Fyi...I am trying to open the dump file on a 64-bit version of Windows 7 with the 64-bit version of Windbg.

  [1]: http://www.microsoft.com/whdc/devtools/debugging/default.mspx

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Unable to load SOS in WinDbg