You may need to contact that person and ask them to revert the changes because your computer will continue to be unable to receive updates and the Microsoft Store app will no longer be functional.
**Perform a Clean Boot
Determine whether a background program or a software conflict is interfering with windows update service.
Go to the search box > type msconfig
Select System Configuration > go to the Services tab.
Select and make sure to put a check mark on "Hide all Microsoft services" > Click Disable all.
Go to Startup tab > Open Task Manager > Disable all the unnecessary services running there. Restart your computer.
Please try to enable Windows update service then check for updates again.
Kindly check the support article below for more details
https://support.microsoft.com/en-us/help/929135...
Kindly let me know if this helps or if you have any further concerns.
Kind regards,
John DeV
Independent Advisor