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Basic Computer Maintenance

Basic Computer Maintenance. Chatham University Information Technology Team. How do you treat your car?. You probably do at least the following: Oil changes, air filter changes, antifreeze fills etc.

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Basic Computer Maintenance

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  1. Basic Computer Maintenance Chatham University Information Technology Team

  2. How do you treat your car? • You probably do at least the following: • Oil changes, air filter changes, antifreeze fills etc. • Why not treat your computer the same way? After all, it is an appliance (and costs as much as a used car).

  3. Cache IE (Internet Explorer) Browser Basic Terms • Worms • Trojans • Viruses • SpyWare • AdWare • OS • LAN • Network

  4. Virus vs. Worm • A virus stays on your computer and your computer only. • Worms crawl through networks. • Unlike a worm, a virus cannot infect other computers withoutassistance. It is spread via trading programs with others (file sharing programs, email).

  5. Spyware vs. Adware • Symptoms: Sluggish Pc, Increased pop-ups, homepage changes, strange search results. • Both are data miners, meaning they are looking for information. Both cause the above symptoms. • Can lead to identity theft. • 9 out of 10 pc’s are infected. • Good place to look for info? http://www.webroot.com/spywareinformation

  6. Spyware Removal • You can try to do it manually- but is often very difficult. • Often it can disrupt major computer processes. • You can check out the following free programs: • AdAware • SpySweeper (both versions, free&pay) • NOTE: Please be careful when downloading these tools, some programs claim to remove spyware, but instead, come with their own spyware embedded.

  7. PurityScan N-Case Gator CoolWebSearch Tansponder ISTbar/AUpdate KeenValue Internet Optimizer (bargain buddy) Perfect Keylogger TIBS Dialer For more information on these, visit: http://www.webroot.com/spywareinformation/spywaretopthreats/ Top Spyware Threats

  8. Antivirus VERY VERY IMPORTANT

  9. Antivirus Programs • Norton and McAffee come with many new computers for trial periods. • After your “trial period” it will prompt you to buy the program. What you are paying for is to stay updated on virus definitions (meaning the # of viruses your antivirus is able to detect). If you don’t stay up-to-date, then your ability to ward off viruses and remove them becomes limited.

  10. Antivirus Programs contd… • Free programs exist: • Avast! Antivirus • BitDefender • Antivir • Chatham University requires any student with a computer on campus have updated and functioning virus protection on their computers.

  11. Basic “Uncluttering” Steps • Every web page you visit leaves its mark. Go to Control Panel  Internet Options Then delete cookies, Temporary Internet Files, and History. This will keep your machine “fresh”.

  12. In Conclusion… • Be on the look out for unexpected attachments and pop-ups. • Stay away from sites that always require you to download something. • Have virus protection and a good Spyware detector program.

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