STOP: C0000135 {Unable to Locate DLL}

Hi all,

Has anyone experience the following STOP error.
STOP: C0000135 {Unable to Locate DLL}
The dynamic link library winsrv.dll could not be found in the specified path Default Load Path.
I am getting this on quite a few machines(HP Brio BA300) and cannot resolve without rebuilding NT.

pls help, and thanks in advanced