These are the updated symbols for US Service Pack 1 for Windows NT 4.00. The symbols are contained in the following 4 files, one for each platform: SYM_400A.EXE Symbols for the DEC Alpha platform SYM_400I.EXE Symbols for INTEL x86 platforms SYM_400M.EXE Symbols for MIPS platforms SYM_400P.EXE Symbols for Power PC platforms To extract the symbols, execute the correct file name with the following parameters: -d Where is the directory you wish the symbol tree created. can be left blank if you wish to create the symbol tree in the current directory. For example, to extract the Intel symbols to the directory C:\WINNT\SYMBOLS the command would be SYM_400I.EXE -d C:\WINNT\SYMBOLS