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I am getting this error on a Windows 7 Professional 32-bit machine, on almost anything I do: updating a repo from subversion, accessing a local IIS site, copying a big folder, running an installer. Sometimes, if I try again, it get solved.

I think there is something wrong with Windows 7. I searched around and found posts suggesting to increase IRPStackSize value in registry I did that without luck. I am using Microsoft Security Essentials 1.0.1961.0 as my antivirus package.

Once this errors starts popping up, I have to restart and then after some random time it starts happening again.

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closed as not constructive by Dan, Scott Pack, mulaz, MDMarra, HopelessN00b Sep 26 '12 at 23:47

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Is your disk full? – Bill Weiss Jun 2 '10 at 18:00
No, I have more then 15% space in my disk. My Page files are also not on the C: drive and I have disabled hibernation as well. – Mohit Jun 2 '10 at 18:18
do you belong to an active directory domain and are you a member of many groups like 1000+ groups either nested or not? – tony roth Jul 29 '10 at 18:45
No I m not I am part of like 5-10 groups only. – Mohit Aug 7 '10 at 18:48

3 Answers 3

up vote 2 down vote accepted

I ran into this tonight and this blog post fixed my problem after changing these two values and rebooting:

Set the following registry key to ’1′: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache

and set the following registry key to ’3′:


I also noticed that we both have Security Essentials installed. Not sure if that is a common thread, but it is something that could be causing the issue.

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This is a typical behaviour of a server that starts lots of app compiled with Delphi.

See this.

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I too get it with a service I have created. I really don't know much about it. I have seen it has something to do with the IRPStackSize (Read This Article)

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