Tried numerous things. Any thing left?

Do you get this error message with all the app that you install from the Windows Store?

kharkhuwa had provided you with the verified solution for this error message 0x80240437.

Have you run the DISM tool?
If not, please please run the DISM tool. It repairs problems related to updates.
Follow these steps.
a. Swipe in from the right edge of the screen, and then tap Search.
(If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.)

b. Enter command prompt in the search box.
c. In the list of results, swipe down on or right-click Command prompt, and then tap or click Run as administrator.

In the Administrator: Command Prompt window, type the following commands. Press the Enter key after each command:

DISM.exe /Online /Cleanup-image /Scan health

DISM.exe /Online /Cleanup-image /Restore health