Hint & Tips :

Perform Repair Installation of the .NET Framework 1.1

1. Insert your Visual Studio .NET 2003 Professional Prerequisites disk
2. Cancel any dialog boxes that appear (Choose Yes to run setup from Disk 1)

x:\dotnetframework\dotnetfx.exe /t:c:\windows\temp /c:"msiexec.exe /i 
c:\windows\temp\netfx.msi REINSTALL=ALL REINSTALLMODE=vacmus"

Perform Repair Installation of Visual Studio .NET 2003 Professional

1. Insert your Visual Studio .NET 2003 Professional Setup Disk 1
2. Cancel any dialog boxes that appear

x:\vs_setup.msi REINSTALL=ALL REINSTALLMODE=vacmus