I need help with a Val error

Solution
In the search box on the taskbar, type Windows Security, and then select it from the results.
Select App & browser control.
Under Exploit protection, select Exploit protection settings.
Under Control flow guard (CFG), expand the box and select Use default (On).
Select App & browser control.
Under Exploit protection, select Exploit protection settings.
Under Control flow guard (CFG), expand the box and select Use default (On).