21.   They update the software every two weeks.

22.   Thomson said the software was not updated enough to make the shipping rates relevant.

23.   Within those networks, software can be updated piecemeal over time, instead of through one large piece of software like Office.

24.   Because these corporations generally update software including antivirus protection frequently, she said it was unlikely they would be infected, even if they had downloaded the virus.

25.   Chiu said the government has urged Internet and computer users to frequently update their software and use products that have fewer flaws.

26.   Every major antivirus company has updated software that can detect and remove Nimda.

27.   His company has worked with the government in updating software for computers that handle telecommunications and billing systems.

28.   Major antivirus companies already have updated software to detect and remove Nimda.

29.   The devices could cut the enormous costs of administering computer networks, mainly updating software.