Windows 10: The Windows "Start" button on taskbar doesn't work with left-click

I have four computers running Win10. On two of them the windows "Start" button on the task bar doesn't work. So I can't get to Settings or Apps. I can right click on the Start button and get the "right-click menu". All of the other task bar buttons work.

What's going on with this? It used to work. For a while it didn't work on my laptop, now that is working but on two other desktop computers it doesn't work. All computers have same Win10 version and latest updates (although hardware differs some between them).

Can I add the "Settings" and "All Apps" shortcut I would normally get left-clicking on the Start button to the Start button's "right-click menu"?

:)

 

Task bar not working

why my start button (Icon) and the left side of the task bar does not work, a window shows "system call failed" also when click on "taskbar setting" does not come up

 

After Windows 10 update & activation, can I do a clean install? Yes or No?

In Windows 10 click the Start button. The Start button is at the bottom left of the screen if your Taskbar is in its default location along the bottom of the screen. When you click the Start button a window pops-up. Click 'All apps' at the bottom left
of this window. A menu of apps. (programs) appears on the left arranged in numerical then alphabetical order. Under 'C' you will find an app. called 'Contact Support'. Click it to run.

 

Hey CountryBumkin-

See if there's anything in HERE that might offer some help.

 

To access the Settings use the Windows Key + I

To access all program, press the Windows Key the select All Apps