Powershell started working really slowly This topic contains 1 reply, has 2 voices, and was last updated by Don Jones 1 year, 2 months ago. Author Posts April 7, 2017 at 4:32 pm #68263 MartynasParticipant Hi, My both powershell and ISE started working really slowly. When i start, it takes proper time to open. When I am in a script i get the error intellisense timed out. Have cleaned the cash, but still the same. Windows 10 PS: 5.1 Any ideas? Thanks, Martynas April 7, 2017 at 8:40 pm #68299 Don JonesKeymaster Typically it can happen if you have a LOT of modules installed, especially script modules without manifests. Author Posts You must be logged in to reply to this topic.