UltraVNC

Thank you all for your answers.
Actually, this is prevently my hard-drive to spin down when PC is idle (most f the time when I not home), and makes unexpected accesses to the disk which are interrupting other reading tasks.
Should I submit this to some "requests/bugs" section of the forum ?
Again ...

At least somebody can confirm this behavior on his PC, Please ? At least I just want to know whether it is only a problem with my PC ?

You can check with process monitor or Filemon:

Filemon:
http://en.utilidades-utiles.com/download-filemon-windows-xp.php

Process monitor :
http://technet ...

I used filemon to monitor my hard drive activity.
I noticed that the ultravnc.ini file is red every 5 seconds.
That is slowing down my system.

So the following sequence repeats forever:

23:03:16 winvnc.exe:1844 OPEN C:\Program Files\UltraVNC\ultravnc.ini SUCCESS Options: Open Access: Read
23:03 ...