Cannot install Symantec Endpoint Protection

AppData path might be wrong.
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders\AppData is listed as "%APPDATA%"
I changed it to %USERPROFILE%\AppData\Roaming

.NET Framework Removal

Cannot install/repair .NET Framework
.NET Framework Cleanup Tool
http://blogs.msdn.com/b/astebner/archive/2008/08/28/8904493.aspx

SAS Enhanced Editor Error 0x80040154

Issue in Windows Vista,
Run in command prompt:
C:\Windows\Microsoft.NET\Framework\v2.0.50727>RegAsm.exe "C:\Program Files\SAS\Shared Files\EnhancedEditor\SAS.EnhancedEditor.dll" /codebase

Minimum files for DOS boot disk

command.com
io.sys
msdos.sys