"Unable to find a volume for file extraction" Error Message

I am trying to install a C++ Redistributable package and am encountering the following error dialog:



I am also encountering a similar dialog when I try to install the latest Silverlight plugin for IE9.

I'm running Windows 7 Professional, 64 bit.

Can anyone please assist.

Cheers

I found one fix:

Update: I was able to figure out a hack to get through. If I enable the UAC, and then explicitly run each program with admin rights, it asks for permission, then the programs run without a hitch.

So... Since I hate UAC, how do I fix this?

Click to expand...

Found here: Installers failing... - Tech Support Forum