0x800706b7 while installing games for windows live.

[toksis]

The Windows Installer Service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed. Contact your support personnel for assistance.
(14:13:53) The Windows Installer Service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed. Contact your support personnel for assistance.
(14:13:53) InstallProduct Error: 0x800706b7


While installing games for windows live i encounter that. please help. I could not fixed it. been 3 days. I think my windows installer program service has a problem but how can i fixed it?

 

[toksis]

My windows is auto update. Problem still here.... I tried to find the windows installer services's installer in the net but i could not find one..

 

[toksis]

any expert in windows here please?