Conflict Catcher
Commercial software that resolves extension conflicts.
The free demo is full-featured

Epson 740 Print Drivers
Download EPSON Stylus Driver Updater v1.0cEs and Printer Driver v5.5DE
to eliminate problems with Epson 740 "printer port is busy" problems

TechTool Pro
Click on Downloads.
No Mac user should be without this diagnostic and repair software.
Repairs HD software problems, recovers data, tests hardware components. Want to set up file sharing?
Sharing files from Mac to Mac with an Ethernet crossover cable is easy.

Don't spam your friends with virus warnings and that you don't know are valid.
Check here for email hoaxes before you send them to "everyone you know."
McAfee Virus Hoax Page
Michigan Electronic Library
Symantec Security Updates