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Recently I’ve been working with a framework built on top of .NET & Windows Forms, and whenever it crashes (which seems to happen quite frequently in my case) the DW20 process spawns up and pegs the CPU at 100% and writes huge dump files.

So what is this DW20.exe process? It’s the Error reporting client that comes with Office 2003 and you can find more about it here.

What I am still at a loss to find out is why it spawns up when this framework I am working with crashes.

Posted on Tuesday, September 13, 2005 3:32 AM Misc | Back to top


Comments on this post: DW20.exe you sly rogue

# re: DW20.exe you sly rogue
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did u fin dthe solution for this?
Left by Javier on Feb 14, 2006 3:02 PM

# re: DW20.exe you sly rogue
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I got hit by this yesterday. I'm using the Office 2007 beta. I let it run for too long, and when I tried to kill it, the Task Manager didn't get enough CPU (or whatever) to even draw its window. I waited for half an hour, but in the end I had to use the power button on the machine to get out.
Left by j o a r on Nov 14, 2006 8:04 AM

# re: DW20.exe you sly rogue
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This isn't related to your framework, of course....

I ran into this dw20.exe on Office 2003, and I let it run for about 5 minutes. I finally gave up and did "End Process Tree" on it.
Left by Xaxio on Nov 20, 2006 6:59 PM

# re: DW20.exe you sly rogue
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Same problem here today... "attempting to access the Internet" - dw20.exe... I've blocked it using my firewall... cannot imagine why I should allow it access...
Left by Bob41M on Jan 13, 2007 2:59 PM

# re: DW20.exe you sly rogue
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This is Dr Watson, Microsoft's error reporting tool. Some people think it has something to do with .Net 2.0 or Office.

Check your event log when you get the system back before opening your apps and see what it has to say for itself.

You could always use another machine to kill the process - if you have access to one of course.
Now you can't actually stop it, but you may want to read this article to lessen the impact that you may be having.

http://msdn2.microsoft.com/en-us/library/bb219076.aspx
Left by Jolly Green Giant on Jan 22, 2007 10:31 AM

# re: DW20.exe you sly rogue
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I took the disable and ignore approach...

http://support.microsoft.com/kb/841477
Left by sko on Jul 09, 2007 5:06 PM

# re: DW20.exe you sly rogue
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I encountered the resource eating DW20.exe when writing an ASP.NET application. It ate my disk space with the dump file, tied up the CPU process and generally caused havoc.

The best bet is looking in the event log of the machine and trying to discover what the cause of the process failure was.

In my case, the only way to fix was to go back and debug the old-fashioned way of unpicking changes until I found what was wrong. What was wrong was an equally old-fashioned recursive loop in the code which eventually caused a stack overflow. This caused the asp.net process to die, and DW20 jumps in and causes further havoc.
Left by asp.net developer on Oct 25, 2007 1:30 PM

# re: DW20.exe you sly rogue
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This seems to be the best answer I've found when dealing with DW20.exe: http://blogs.msdn.com/rahulso/archive/2007/03/29/dw20-exe-was-stopping-us-from-taking-the-crash-dumps-in-w3wp-exe.aspx
Left by Joel on Feb 08, 2008 8:17 AM

# re: DW20.exe you sly rogue
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Although posted a year ago and in Feb., the last and previous answer to this post was grand and informative. Kudos to the author.
Left by DJD_201 on Jul 19, 2009 10:19 AM

# re: DW20.exe you sly rogue
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still valid, dw20.exe can hog cpu on a wfe, turn that thing off....
Left by IJB on Nov 24, 2009 12:20 AM

# re: DW20.exe you sly rogue
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It DOES HOG 50+% of a single core CPU but eventually it will disappear & kick out an error report request, the type that say: "Windows has recovered from a serious error" and wants you to send the report it generated.
In my case the error is related to the ATI Catalyst Control Center which I have uninstalled and I still get the error :(
ATC CCC does require .Net…. so there’s the link of info I was looking for, Ty for this info.
SO… a few quick attempts to edit the call from the start-up routine, or registry, then, if all else fails (as I pulled the ATI card for instability, and am back to using nVidia) just reload.
Left by Jim Smith on May 16, 2011 10:13 AM

# re: DW20.exe you sly rogue
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non ci capisco niente.Ho bisogno di meno sigle e un rapporto più limpido e umano. mi sembra di contattare un robot alieno
Left by giuliana on Nov 25, 2011 10:00 PM

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