Powershell Version 3.0 Breaks 2010 SharePoint Shell

Not applicable to SharePoint 2013​

If Powershell verions 3.0 is installed on your SharePoint 2010 server, the farm will become inaccessible.

The Powershell Version 3 download is located here:

http://www.microsoft.com/en-us/download/details.aspx?id=34595

To see if this is the case without opening powershell, search installed updates for:

Windows6.1-KB2506143-x64.msu

Run this from the PS console to see which version of the shell you’re running:

(Get-Host).Version

This is the error that results:

This has been resolved with SharePoint 2013 and is not an issue there.