careful with computer use and practice safe computing, but you may want to pass this on to other Windows users, since the scam referenced in the linked article is aimed at that demographic.
The article details the scam. I’ve actually received a call like this recently. It boggles my mind that whole call centers (I heard the typical cheap, mass call center sounds in the background) can be run funded by suckers who fall for this scam, but there you are: one born every minute, I suppose.
Microsoft offers a simple security audit (referenced in the article linked above) that can get casual computer users started.
Be aware: if you prefer managing your Windows Updates manually, the Fixit applet will tag that as a security problem. It’s not IF you are faithful in performing your manual updates.
If you want to perform a more detailed security scan, consider Secunia PSI (“Personal Software Inspector”– http://secunia.com/vulnerability_scanning/personal/). It’ll scan for any known security holes in installed software and prompt you to update the software. Good stuff, Maynard.
Feel free to pass this along to folks you feel might need the information.