Win7 computer task window thumbnail is missing, how to do

1. First, let's press the win+R shortcut key on the win7 Ultimate computer keyboard to open the computer's running window. In the open running window, let's enter Gpedit.msc and click Enter, this will open the Group Policy Editor window of the win7 Ultimate computer.

2. In the Open Group Policy Editor window, click on the “User Configuration” " —“Administrative Template&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ”, after that, we found in the right window "Close the taskbar thumbnails" and double-click to open.

3. In the open edit window, we change the previous default settings to disabled, then click OK to save.

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