1. We have verified this after a new, clean installation of WinXP SP3 and Visualcron 6.0.5.
What a blank space do you mean?
2. Yes, i know that the client on the same machine the server is affected by client usage. But we compare this always with our first machine (the same hardware, same OS same jobs, etc..), where we use VC5.6.9, and we see very big difference between both machines.