On 01/11/2010 20:41, Oli Glaser wrote: > On 01/11/2010 19:17, Michael Watterson wrote: >> I haved use Eagle, JALedit, MPLAB, MS Office, Thunderbird, Firefox, >> Foxit (pdfs) a 1600x1200 screen, sometimes an external 1600x1200 at same >> time >> AADE, Spice and Scilab > Fair enough, probably a few other random and complex factors involved in > the differences. > One thing pops to mind though - maybe I should have mentioned I have > Norton 360 running too, which although good seems to eat a lot of > resources. Out of interest, what anti virus are you using? > Training.... Separate Firewall and disable all MS network services that run on top of=20 TCP/IP if not using a firewall Up to date Foxit for PDF Up to date Firefox External HTML & Images disabled by default in Thunderbird never open executable attachments or install toolbars on browsers Zero pirate software or videos etc Codecs only from official sites... Un-needed and dodgy MS services off file extensionson No autorun of any kind on any device, ever... Up to date MS patches. Never use IE except for Windows Update Never use Outlook No file, telnet, printer or other hosting service running on anything=20 other than a server no uPnP/ SSD (Hello I'm here install your malware disguised as Driver on me= ) No adhoc wifi Occasionally I use a root kit detectors (gmer isn't bad) and=20 silentrunners from www.silentrunners.org to verify cleanness. This approach has resulted in zero infections for nearly 20 years on my PC and all the others here and also for people I have trained and=20 configured their windows... DOS 3.3, DRDOS, MSDOS 6.22, win3.1 WFW3.11, 95, 98, NT3.51, NT4.0,=20 Win2K, XP, Vista, Win7 All the many computers I've cleaned malware from had AV installed and=20 running. Some up to date. AV causes problems, false positives, failure to boot, false sense of=20 security and is doomed to fail if users are determined to click install=20 when asked (eg offer to scan PC to speed up on web advert or offer to=20 install codec automatically on random web site). --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .