Smart Computing Magazine has some great support information for end users. I have written articles for the publication and the style of are aimed at the non technical users, you can find more information at;
The tech support section of their site has some great information for fixing common problems you computer may have.
Some are that have great information for end user include the;
How To Get Rid Of …
We’ll tell you what to do to eliminate malware programs from your computer.
Basic Security & Privacy Troubleshooting Articles:
Browser Hijackers
Fake Web Sites
Malicious Ads
Phishing Email Messages
Rootkits
Spam
Spyware
Trojan Horses
Viruses
Worms