Circular Kernel Context Logger Error: 0xC0000188 – MaxFileSize Registry Key

Okay, I understand this blog post, isn’t exactly related to BSODs but since this BSOD Analysts since to have to debug other errors too then I would I would write a blog post about this error which isn’t exactly an error as such.

As a result, of some of the misinformation I’ve seen on other forums about this issue, for example editing the registry DWORD value for the MaxFileSize key, since they believed it was a problem with Windows not being to able to save files above 0. I thought it would be necessary to explain what this error is related to.

Firstly, open your registry, by clicking Start and then entering regedit. Accept the UAC prompt (if shown), and then navigate to the following registry key – HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI\Autologger\Circular Kernel Context Logger\MaxFileSize

 You should see a set of key similar to the above picture. 

A DWORD is a Windows API data type, and is a unsigned integer for those who know or are interested in programming.

The MaxFileSize DWORD key is used to set the maximum file size of the log file which is created by Autologger, 0 means unlimited file size, but it also seems to depend upon the type log mode your using.

More Information – Configuring and Starting an AutoLogger Session


About 0x14c

I'm currently a Software Developer. My primary interests are Graph Theory, Number Theory, Programming Language Theory, Logic and Windows Debugging.
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