Updated application format using DocMaker v4.0.2. Added support for Trojan Horses, you can now find out what applications the various trojan horses are hiding behind and protect yourself. Information on the new INIT 9403 virus included. Also added crash recovery strings for use with MacsBug or the built in DeBugger.
2.1
Released on February 12, 1994
Now includes Newton Error codes! The Sad Mac Error code section has been completely redone. Also, you will find the Sad Mac errors for every Macintosh but the yet unreleased PowerMacs.
2.0.1
Released on February 6, 1994
Added extensivly to the Negative ID codes, added explanations. Reformatted the whole works to make it easier to read. Fixed some spelling errors, added an index, rearranged some of the chapters and other minor improvements.
2.0
Released December 28, 1993
Added more System Error codes. Added two chapters dedicated to Virus's.