With a few simple troubleshooting tips, you can solve your taskbar is gone issues.
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.
1.Open Chrome and click the red part, then double click Settings
2.Click Extensions in the left pane and as you can see there are many toolbars, click Remove from Chrome to remove what you don't need.