Pop Up blocker : http://panicware.com (try the free one)
SpyWare Scanner - AdaWare http://lavasoft.de Make certain to get the ref. update.
FireWalls - http://zonelabs.com or http://www.sygate.com both offer free firewalls
AntiVirus - http://www.grisoft.com free antivirus scanner. Less of a system hog than McAfee, and more secure than Norton. For a paid program, try F-Protect http://www.f-prot.com/
SpyWare Scanner - AdaWare http://lavasoft.de Make certain to get the ref. update.
FireWalls - http://zonelabs.com or http://www.sygate.com both offer free firewalls
AntiVirus - http://www.grisoft.com free antivirus scanner. Less of a system hog than McAfee, and more secure than Norton. For a paid program, try F-Protect http://www.f-prot.com/