Internet Defence Activity
It is always a good idea to carry out regular on-line security and virus checks on your system. Although security software and anti-virus software are usually very good, they may not find every instance of viruses or spyware. Anti-virus publishers generally share knowledge about the different viruses that appear on the Internet.
Click on this link to Symantec for a free on-line security analysis program: http://security.symantec.com/sscv6/default.asp?langid=ie&venid=sym
If your centre allows it, try running the security check on your system to find out if there are any possible problem areas.
Next: Avoiding Threats