Comes up from time to time so here for useful clean up tips.
1) Norton AV - click here Rnav2003.exe is a utility that helps you uninstall program files and registry entries that were installed by NAV 5.0/2000/2001/2002/2003. Only use Rnav2003.exe when you cannot uninstall NAV through Add/Remove Programs.
2 Norton Personall Firewall / Internet Security - click here When you uninstalled Norton Internet Security (NIS) or Norton Personal Firewall (NPF) through Windows Programs list or Add/Remove Programs, the process failed. You want to use the Symantec Rnis.exe removal tool to uninstall NIS or NPF.
3) Windows Installer Clean Up - support.microsoft.com/support/kb/articles/Q238/4/13.ASP Microsoft has created the Windows Installer CleanUp Utility, which you can use to safely remove Windows Installer-related registry settings from your computer if a problem occurs
4) Office Clean Up - This one is on your Office CD.
Office 97 Pro - VALUPACK\OFFCLEAN\OFFCLN97.exe
Office 2000 - PFILES\MSOFFICE\OFFICE\OFFCLN9.exe
Office XP - FILES\PFILES\MSOFFICE\OFFICE10\OFFCLN.exe