ctrl alt del - "Failure - Security Options"
 

I am currently using a PC running Vista.

However I get the following problem,

Vista boots - goes blank - I type - "Ctrl-Alt-Del" and I get the
following error message
"Failure - Security Options"

Do you have any suggestions as how to fix this "problem"?

Can you hit F8 while booting and get into SAFE mode? If you can get into safe mode, you should be able to run some anti-virus and anti-malware scans.

If not, then you next step is to create a rescue CD and boot off that CD.
http://www.techsupportalert.com/crea...-rescue-cd.htm

Do you have backups? Probably do not want to get too much deeper in repairing the system until you have suitable backups. Again, a rescue CD can help with that task.

Most likely is a security software conflict or something installed and not compatible with Vista (especially if you have a x64 system) or it could be something different. See these links for examples of what others found.

http://www.vistax64.com/vista-securi...ns-dialog.html

http://www.vistax64.com/vista-perfor...eate-dial.html