To resolve this windows taskbar issue, follow the steps in the methods starting with method 1 and then proceding with method 2 if that solution does not resolve the issue, you don't need to hesitate, just try it.
1.Click Start. Type Font Size in the search box, and press Enter.
2.A new window open as below, choose the Medium font size (125 percent of the default size) or the Larger font size (150 percent of the default size) as you like. At last click APPLY button.
This is introduction of telling you how to run Task Manager, task manager is system tool of windows based computers. It enables a user to view each of the tasks currently running on the computer, each of the processes, and the overall performance of the computer.
1.Right click on taskbar, find and click on Start Task Manager.
2.The Task Manager window will appear, there are 6 tabs, below picture show all the processes running on the pc on Processes tab.
3.If you can't shut down a program normally, in Applications tab, you can choose and click the application you want to close, and click End Task to end it forcibly.