Congratulations! By purchasing the ThunderBYTE Anti-Virus utilities you have taken the basic step in building a massive anti-viral safety wall around your precious computer system. Setting up the appropriate defense using the TBAV utilities is a personal matter. Therefore, we recommend to read this manual thoroughly, so you are well aware of the different kinds of security measures you can take. This manual consists of six chapters. Chapter 1 provides you with the fastest way to get started with the TBAV utilities. It presents the major features of the program in a step-by- step format. We recommend that you start with this chapter. Chapter 2 contains instruction on how to prevent viruses from infecting your computer system and directions on how to handle viruses when they do strike. We recommend that you also read this chapter because it contains several useful tips. Chapter 3 contains a detailed description of both the purpose and functionality of all the TBAV for DOS utilities. Chapter 4 contains advanced user information for those users who are more technically oriented. Chapter 5 contains the documentation for TBAV for Windows and all of the associated Windows-based utilities. For more information about the Windows 95 or Windows NT versions of TBAV, please contact your nearest ThunderBYTE distributor. Chapter 6 contains the documentation for TBAV for Networks, the network version of the utilities. If you need this version, contact your nearest ThunderBYTE distributor. This manual also contains five appendices. Appendix A describes TBAV messages, Appendix B describes heuristic flags, Appendix C addresses some incompatibility problems, Appendix D lists various exit codes for use in batch files, and Appendix E contains information on naming viruses. Finally, the Index provides you with the means of quickly finding any major topic. NOTE: A complete reading of this manual is indispensable in order to become familiar with the many facets of the ThunderBYTE AntiVirus utilities; to know what steps you can, and must, take to ensure adequate protection and be fully prepared for a complete recovery, if and when disaster strikes.