Event 2000

I have been getting this error on my NT server constantly and it is really bringing my server down every week. “The server’s call to a system service failed unexpectedly.” I was able to find some info on microsoft KB but that pertains to different WORDS under the data section. This is what I got…
0000: 00040000 00540001 00000000 c00007d0
0010: 00000000 c0000054 00000000 00000000
0020: 00000000 00000000 09b00bd3
Please HELP !!!!!