* Most troubleshooting books concentrate on upgrading-and usually hardware at that. This book concentrates on solving problems-whether they are software, hardware, or operating system problems. The problems are the ones that Dan Gookin hears most often-the most frequently mentioned problems from his readers. * Provides the background to understanding the differences between hardware and software errors and learning about the computer"s startup sequence to help diagnose and fix common startup problems. * Fix irritable error messages, slow PCs, internet and email problems, shutdown errors, and other common PC problems. * Covers not only common disk problems, but also concentrates on using disk tools to improve disk performance, and preventative maintenance techniques. * Techniques to avoid disaster: system restore, backup, disk cleanup, and virus protection. * Tools and utilities provided by Windows to help troubleshoot your computer.