9999,17x issues

1. Use Administrator account

2. Use SYMNRT and SYMMSICLEANUP.reg and MSIFIX.bat

3. Use Windows Installer CleanUp Utility

4. Unregistered Msiexec.exe 

5. Renamed msiexec.exe to msiexec.old from C:\Windows 

6. Delete the following
       c:\D & S\Allusers\AD\Symantec
       c:\PF\Norton & Symantec folders
       c:\PF\CF\SS

7. Backup registry

8. Delete symantec folder under HKCU\software\symantec & HKLM\software\symantec

9. Restarted the computer

10. Install  Windows Installer 3.1

11. Create the Symantec folder in HKLM\Software and HKCU\Software and give full control permissions

12. Chk  permission for Admin & System for  HKLM\Software\Classes\CLSID, INTERFACE & TypeLib and  HKCR\CLSID, INTERFACE & TypeLib

13.  Restart and Install Norton