I am struggling with geting my winxp back to normal. Have a look at a few threads I posted:
The symptoms are very weird:
1) NOD32 and AVG cannot find any viruses (though i am suspecting some MBR virus)
2) running disc scan does not show any disk errors
3) the old installation of winxp cannot start with the message "ntoskrnl.exe missing or corrupt"
4) I tried replacing ntoskrnl.exe by four different ones (from the system recovery and MS updates) - it generates the same error
Finally, I am trying to install winxp to a different folder, but the 1st reboot during installation generates hal.dll is missing.
What is happening here? I can only suspect some MBR virus, but do not know how to find it.
Thank you - please give me some ideas.