Computer Security - How to prevent/remove spyware and Trojan Horses
 
Click here for all articles on Computer Security.  Most important ones are listed first
 
Two of the suggestions from the "How To Prevent Spyware" article in the above link takes you to are:
 
1. Set IE to disable downloads (for IE 6 go to Tools, Internet Options, Security, Internet, Custom Level) If you need to turn this off temporarily later on you can always reverse this.

2. Set IE to disable the installation of desktop items (for IE 6 go to Tools, Internet Options, Security, Internet, Custom Level)

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