NT startup problems

I was getting a message ntoskrnl.exe is corrupt or missing. I was able to stop getting this message by changing the partion in the boot.ini file that nt was looking at.

I now am unable to start nt3.5 and 4 as when i do NT gives me a blue screen with memory addresses all over the screen -each line of memory addresses has ntoskrnl.exe at the right hand side. Any ideas to help me fix this?

Put your boot.ini file back to the way it was and rerun NT4.0 setup. If you created an ERD (Emergency Repair Disk)before it crashed, you can use it. Otherwise, completely reinstall NT.