M265879 provides information on how to debug "Stop 0xC2" or "Stop 0x000000C2" error messages.
A problem in the NTFS file system driver can be the cause of this error. See M896674 for a hotfix applicable to Microsoft Windows 2000.
This error seems to be caused by software incompatible with the operating system. It may manifest itself after upgrades (so the old software is no longer working properly).
Some instances of this problem have been fixed by installing the latest service pack or hotfixes from Microsoft so chances are that if you get this error is not a problem with the configuration of the system but a bug in the OS.
The Windows DDK states that "this indicates that the current thread is making a bad pool request" and provides a way to extract more information from the parameters that usually accompany this error. See the link to DDK.
Symbolic name: BAD_POOL_CALLER
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