OK, I found the disc with to guest additions, I executed the setup.exe then rebooted xp and then it asked me for a logon with the user name "ASPNET" which I ignore, so I had nothing to do than closing the application...
Is there a manual/faq somewhere for this guestadditions exe ?
Then in VMlite workstation I tried to relaunch MyOldPc snapshot and I got this message :
I the tried to suppress the wholeMyOldPc image in the Workstation but got again the message I told you about in my first post..
Things are getting worse !