That's most likely because a virus is shutting them down as soon as they
open. You'll need to scan the system with an updated virus scanner, but
that can be hard to do if the virus is actually running. Try one of the
free online virus scanners to get a handle on the system:
Once the system is cleaned - and bear in mind that the restore points are
also probably infected and are thus dangerous - install and keep updated a
good virus scanner.