I suggest you to follow the steps below to turn off and then turn on the automatic touch keyboard. Is the issue specific to automatic keyboard pop up in Powershell window? Are you facing any issues while using Command Prompt?.When you say that 'and I observed that on-screen keyboard does not pop-up as soon as I launch Powershell', are you able to enter the command while using a external keyboard?.To assist you better, please provided us the information below: This issue might occur if there is change in touch keyboard settings. I realize the inconvenience you are experiencing with Windows 10.