You need to install/upgrade Microsoft Installer (MSI). See KnowledgeBase
article 2PQG5RBH:
http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/692642d231b9bda486256c410079be31?OpenDocument
-Lars
"polly" wrote in message
news:50650000000800000044880000-1042324653000@exchange.ni.com...
> everytime i try to install labview 6.1, the installer gives me a an
> error message saying "failed to initalize installer. error 110"