Since changing the priority in the Task Manager may not leave enough CPU power for other processes on your system, it can do more harm than good. How to Fix “Unable to Change Priority” in Task Manager Method 1: Select Show Processes from All Users in the Task Manager Next, I will introduce 3 useful methods to help you fix the priority simply won’t change error. This can either happen with all processes on your system or with a certain process on all systems. You will receive a message saying Access Denied, or the priority simply won’t change. However, sometimes you are unable to change priority in Task Manager. One of the solutions is to change the game or program’s process’ priority to high from the Task Manager, which tells Windows that process should be reserved a bigger part of its power by it. If the game is very demanding, you may get low frame rate and crash. In general, having a PC or laptop that does not have a fairly high specification can result in the performance of many intensive games below standard. Unable to Change Priority in Task Manager Read this post from MiniTool to get the methods. When you are trying to change the priority of a process in Task Manager, maybe you will receive the following error message “Unable to Change Priority.

How to set a game to high priority