Adobe Acrobat Reader DC version installed on Windows 10 PC’s sometimes doesn’t show PDF thumbnails in the Windows Explorer and only the default file icon is visible.
There are many methods to lock your PC. You can use the shortcut key combination like Ctrl Alt Del or the Windows + Rkey to lock your PC. Some people use the Start menu to lock their PC.
Clipboard is not a program or app but a feature which lets you copy text and images which you can paste in another program. Clipboard or the Copy Command is an essential part of any word processing software.
Google Chrome Bookmarks database can become quite big pretty quickly as it’s the preferred way to save the links to web pages within the browser.
With every new Windows OS release Microsoft makes some changes in the Graphical user interface. If you have switched to the Windows 10 OS from an older version then you may have to look for the Lock command. In the Windows 10 PC’s you have to click on your user icon after clicking Start to get the Lock button.