You’ve decided to install PowerShell version 3.0 on your computer. Your computer meets the requirement of running Windows 7 with Service Pack 1, Windows Server 2008 with Service Pack 2, or Windows Server 2008 R2 with Service Pack 1. If you’re running Windows 8 or Windows Server 2012, you already have PowerShell version 3.0 installed. There are several different ways to check the operating system version and service pack level. In the following screenshot, I’ve run “winver.
Problem: An important audio codec is missing from 64bit versions of Windows Vista and Windows 7. Some media files generate an error when using Windows Media Player. Third party media players seem to be affected as well, since some will play the video portion with no audio, and others won’t play the media file at all. This problem even occurs with media files downloaded from Microsoft. The Windows Media Player specific error is: “Windows Media Player cannot play, burn, rip, or sync the file because a required audio codec is not installed on your computer.