Missing .NET Framework

• McAfee Firewall Enterprise requires Microsoft .NET Framework 3.5 Service Pack (SP) 1 to run. Microsoft .NET Framework 3.5 is the default version in Windows 7, but users running Windows Vista must download and install .NET Framework 3.5 SP1 through the Microsoft Download Center, as Windows Vista comes installed with .NET Framework 3.0 instead. Without the proper prerequisites, Windows Vista will display an error when you try to run McAfee Firewall. Users can uninstall the Microsoft .NET Framework in the "Control Panel," so if the software framework is removed, McAfee will no longer run updates.
  
  

Unregistered Common Framework

• McAfee VirusScan may produce an error related to the "McAfee Common Framework" after choosing "Update Now" from the McShield menu in the system tray. The error occurs when the file "FrameworkService.exe" is missing or unregistered, or when the registry key "[HKEY_CLASS_ROOT\TypeLib\{745BA2BA-9B0E-459E-8A9C-A47C6A0131F1}" is missing from the Windows Registry.
  
  

Upgrade to .NET Framework

• Launch a browser and navigate to the Microsoft Download Center (see Resources). Download Microsoft .NET Framework 3.5 Service Pack 1 to your desktop. Press the "Windows" and "D" keys to go to the desktop. Right-click the download and select "Run as administrator" from the contextual menu to launch the installer. Follow the on-screen prompts to upgrade Windows Vista to Microsoft .NET Framework 3.5 SP1. Restart the computer and launch McAfee to test the application.
  
  

Restore the Common Framework

• Re-registering the file oleaut32.DLL (Microsoft OLE Library) will refresh the registry, adding the required registry key to Windows Vista. Right-click the task bar and choose "Start Task Manager" from the contextual menu. Click "File." Choose "New Task (Run..)" from the menu. Type, or copy and paste, "C:\Program Files\Network Associates\Common Framework\FrameworkService.exe/REGSERVER" into the dialog box. Click "OK" to register the DLL.