I try to install Live One Care from a CD. I receive the error code 80072EE7. I click on the help and follow the step 1. check for other anti-virus software, after a check with appwiz.cpl, response nothing 2. Install MSXML 3 SP5 and I receive this message Microsoft XML Parser Setup Wizard ended prematurely because of an error. I try again and i receive the same message. 3. I start Windows Installer and they say on the help, I try to install Live One Care same message error code 80072EE7. 4. Finally I try with a selective boot, same thing again. My desktop computer is got a AMD Phenom(tm) 8400 triple core Processor running on Vista Familial Premium Edition Service Pack 1 ThANK YOU FOR YOUR HELP