can't install Openoffice 4.1.1

Dear Sir, I want to let you know that I can't load OpenOffice 4.1.1. Get a Error message "Error 1316 The specified account already exist" I am trying up upgrade from ver 4.0.1 When ver. 4.1.0 came out I tried to installe it but got "Error 1316.A network error occurred while attempting to read

Openoffice V 4.1.0 --problems

Dear Sir. I want to let you know that I can't load OpenOffice 4.1.0. Get a Error message "Error 1316.A network error occurred while attempting to read from the File C:\windows\installer\openoffice401.msi" I am using a desk top computer with windows 8.1. I have OpenOffice 4.0.1 working now with no