Older versions of Process Explorer has both procexp.exe and procexe.sys. The new version (>= 10?) doesn't have the driver file, but it seems to be bundled into procexp.exe. Yong Huang ---------- Tanel Poder wrote ---------- I took a Windows internals & troubleshooting training by Mark Russinovich & David Solomon few years ago and Mark mentioned both procexp/procmon install a kernel driver and yes its done dynamically (that's actually what I meant by "installing" - the loading of the driver). I haven't verified it myself, I think I can believe the word of the author of that tool :) Niall, tlist.exe is not written by sysinternals, you may be confusing it with pslist.exe which is written by them. Tanel. > > And indeed its from the same developers as tlist! > > On 4/22/09, Taylor, Chris David <Chris.Taylor@xxxxxxxxxxxxxxx> wrote: > > Fyi Process Explorer doesn't install a kernel driver, unless its > > dynamic at runtime (AFAIK). It doesn't have an install routine, you > > just unzip and run the exe. It's possible/likely that it uses some > > type of 'hook' into the system, but if so, its using dlls and such that > > are already installed/registered. -- //www.freelists.org/webpage/oracle-l