Win7 system taskbar does not display the open window how to do

  

Method 1: Use the right mouse button to click on the taskbar to open the properties.

Find the auto-hide taskbar in the taskbar and start menu properties window, and uncheck the previous tick.

Method 2: Right click on the taskbar and open the task manager.

Locate the process named explorer.exe, select it and click the End Process button, then create a new explorer.exe process in the file options.

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