Useful web sites

#web site of Hornsby RSL Computer Club

http://sites.google.com/site/hrslcc/

#information on computer error messages and computer problems

http://google.com.au/

#information about anything

http://en.wikipedia.org/wiki/Main_Page

#reliable security news

http://www.sans.org/newsletters/

#A not-too-technical explanation of ADSL1 and ADSL2

http://whirlpool.net.au/wiki/?tag=ADSL_Theory

#A simple way to check whether your computer is infected by the Conficker virus

http://www.confickerworkinggroup.org/infection_test/cfeyechart.html

#A comprehensive illustrated manual for Ubuntu Linux

http://ubuntu-manual.org/

#free up-to-date virus protection for Windows-based home PCs

http://www.microsoft.com/Security_Essentials/