B747-8x Installation Error: 0x800c005

[JackJack 0]

Hi~ I have been playing PMDG B747-400 for a few days, and all is fine. But when I tried to install B747-8x Expension Pack, I type my email, the order codes and press validate, a window popped out and said: Error:0x800c005, the setup will be terminated..........................  I tried a lot of methods on the Internet like this one :http://support.precisionmanuals.com/KB/a20/error-number-0x800c0005-during-install.aspx  . I tried many times and used some register cleaner, but that didn't help. And also when I type   regsvr32 Initpki.dll     in cmd, it said cannot load Inipki.dll . Can anybody help me??? Thanks a lot~~~

[Jet Tech 31]

If you haven't already,  please submit a support ticket via our Support portal at support.precisionmanuals.com and I will be happy to take a look at the issue for you.