1. You may need to reset the Windows Default permissions with SubInACL according to the instructions on the winhelponline website.
2. You may need to install the latest version of Windows Installer for Windows XP...
3. Or download NET Framework from another source.
Reset the Registry and the File Permissions in Windows XP (with Subinacl)
http://www.winhelponline.com/blog/reset-the-registry-and-the-file-permissions-in-windows-xp/
Windows Installer 3.1 Redistributable (v2)
http://www.microsoft.com/en-us/download/details.aspx?id=25
Windows Installer 4.5 is available
http://support.microsoft.com/kb/942288/en
Microsoft .NET Framework 3.5 Service pack 1 (Full Package)
http://www.microsoft.com/en-us/download/details.aspx?id=25150...