Error messages

[asksah]

We have around 50 computers(Hewlett Packard,PI,100mhz,16MB RAM, 8MB AGP) in my office. In some of the computer we are getting some error messages frequently,even during installation of application program as Window 95, Window 98, MSOffice 97, Norton Antivirus 4.0 etc. The error message are given below:
1. A fatal exception 0E has occured at 0028:F301AC1A. The current application will be terminated
Press any key to continue
2. Am exception 0E has occured at 0028:C00300D5 in VxD VPICD(01) + 0000195. This was called from 0028:C00003597 in VxD VMM(01) + 0002597. It may be possible to continue normally.
Press any key to continuw
3. Window encountere registry problem.
Restore from Backup
4.Illegal operation.

Please send us the solution at earliest. Your reply will be highly appreciated

Ashok