21.   My only chance to catch up would be to download a software patch.

22.   Some companies have issued software patches to make older versions of their titles compliant, but others require users to upgrade to the latest version.

23.   Sometimes no amount of good advice or new software patches will get that Christmas present going.

24.   The company has posted a software patch on its site to help fix the problem, but warns that the patch has not been fully tested.

25.   The installed software patch, devised by Princeton University professor Edward Felten, did not prevent Allchin from surfing the Internet.

26.   This site tracks them, providing news of new titles and software patches and updates for existing ones.

27.   Users can download the software patch and can tell when the fix is in place by re-opening Internet Explorer and selecting the Help...About Internet Explorer menu item.

28.   Windows XP, for instance, already allows users to automatically download software security patches.

29.   A software patch was expected to be in place by Wednesday.

30.   Engineers could use a computer software patch to operate the joint should the main control box fail.