Not to be confused with Compal Electronics. Compaq (a portmanteau of Compatibility And Quality; occasionally referred to as CQ prior to its final logo) was a company founded in 1982 that developed, sold, and supported computers and related products and services.
Windows Defender is a freeware program designed to protect against spyware and other unwanted software. Windows XP and Windows Server 2003 users who have genuine copies of Microsoft Windows can freely download the program from Microsoft's web site, and Windows Defender ships as part of Windows Vista and 7.
ERD. Short for Emergency Repair Disk, an ERD is a diskette that creates backups of system files and settings and can help troubleshoot and fix issues for Windows NT and Windows 2000 users. The ERD is used in conjunction with the Windows repair option and will prompt for the diskette when needed. Note: The ERD is not to be confused with a standard boot diskette as it cannot be used alone.