Well the error message can be triggered by multiple events, hence the earlier question: 'Is your computer overclocked'? If it is re-enter the BIOS settings and reset to default settings.
It can also be caused by corrupt drivers for any piece of hardware on the computer, so right-clicking on Start and selecting Device Manager would allow you to review each device and its drivers to see if there is a problem there.
It can also be caused by a corrupted Windows upgrade; normally when the computer has been upgraded to an OS that is not compatible with the computers hardware or software installed. In that scenario you could check the manufacturer website for updated drivers or hot fixes that may allow the older computer to run a modern OS, or the hardware or software manufacturers websites for updates there; or alternately revert back to an OS that does work on the computer.
It would help if you let us know what we are dealing with.
Laptop, Desktop, Phone? Brand name? What hardware is on it? What software is on it - especially if the software is third party and you added it?