Why do I get an AUTOEXEC.NT error when installing TypingMaster (Windows XP)?
Some TypingMaster versions do use InstallShield setupper that contains 16bit startup procedure. This may cause setup failure if so called 16-bit subsystem is disabled for some reason. Installing Service Pack 2 into Windows XP may cause the text file “AUTOEXEC.NT” deletion from the C:\WINDOWS\SYSTEM32 directory. Without this text file in the “SYSTEM32” folder, any 16 bit programs no longer work. The solution is simple: search your hard drive for another copy of AUTOEXEC.NT (we found two other copies in different directories) and then copy AUTOEXEC.NT to the C:\WINDOWS\SYSTEM32 folder and reboot. The setup should now run. You can alternatively create this “AUTOEXEC.NT” by hand, it should contain these rows: @echo off lh %SystemRoot%\system32\mscdexnt.exe lh %SystemRoot%\system32\redir lh %SystemRoot%\system32\dosx SET BLASTER=A220 I5 D1 P330 T3 If you need to create this file manually to solve this and similar problems with other software, you can also see the link below: http://support.