Where is windows powershell

Hi Folks, I am trying to do a vista upgrade,and it runs a compatibility report which tells me i have to uninstall windows powershell, I have looked in the programs and features and cannot find it there ,I have looked in revouninstall programs and cant find it there, could anybody tell me where this is located so i can uninstall it, any help would be appreciated, I have HP vista premium 32-bit, Thanks patch41

Hi folks, I found out how to uninstall windows powershell, go to programs and features, In the left pane at the top under tasks, Then search the updates for windows powershell,and uninstall the update windows powershell