21.   After gaining entry to the system, the hacker returned to install software designed to carry out the attack, Schmidt said.

22.   After his hard drive disaster, Keeney installed security software on his computer in Pasedena that tracks and records break-in attempts by probing software.

23.   Adding the Adaptec SCSI card was a matter of sticking it into a slot inside the PC and installing the software.

24.   After installing the software, you then have to leave your PC on in order to get your messages shunted to the Blackberry.

25.   After installing the software, my computer repeatedly froze and had to be rebooted.

26.   After installing the software, you don the headset microphone that comes with it and run a simple utility that adjusts the volume.

27.   All I had to do was install some software, connect my modem to the in-flight phone handset, and I was on the aerial Internet.

28.   Almost all customers require outside help to install the software, pull fragmented data together into a single database, test the product and mold it to their needs.

29.   Both FIX Net and Downeast.net invite customers to haul in their computers to have software installed at no charge.

30.   But by requiring that software be installed and maintained only at the servers, operating costs plummet and fancy software becomes more affordable.