Error 1718 when installing Visual Studio 2005 Service Pack 1http://blogs.msdn.com/dougste/archive/2007/05/09/error-1718-when-installing-visual-studio-2005-service-pack-1.aspxIn my job I have to regularly install, uninstall and reinstall various things, including Visual Studio 2005 Service Pack 1 and I have hit the above error many times. I previously relied on Heath's blog posting about this but my colleague Phil kindly broughten-GBCommunityServer 2.1 SP1 (Build: 61025.2)