??? I have  a Hp EvoD300 RUNNING Win Xp,128MB RAM,80GB HDD that is giving me hard time.The computer reboots continously after switching it on.No new hardware that has been changed or added.What could be the problem.Please help.Thanks in advanceIs your computer clean, have you done the SCANS?How has this started happening?Something the same is also happening to me but instead of rebooting I have to keep rebooting and I have done the scans.  I have not added any new hardware or software.  This is what I get "problem has been detected and windows has been shut down to prevent damage to yor computer."  I TRY safe mode and I get this IRQL_NOT_LESS_OR_EQUAL  Does anyone know what this means?Off to the other thread.  Yes Fed i have scanned my computer with the latest antivirus.This problem started a few weeks ago without any warning.Yes my computer is clean.I have used the latest Antivirus and antispywares to scan my machine.The problem started a few day ago without any apparent warning.Thanks ALOT for your assistance experts.Can you start in safe mode?No it still behaves the same.At what point does it reboot?sorry i kept you waiting.Ok the problem starts immediately i  switch it on and receives the command press F10 to enter setup.Just at that pointHave you pressed F10 to check your bios settings?We had same problem woth our system, had a trojan!!  Yeh it could be a  Trojan!

What anti-virus are you using?

Did this just happen out the blue or had you done somthing to the computer like installing software?