16-year-old Brenda Ann Spencer, who fired at children in a school playground at Grover Cleveland Elementary School in San Diego, California on 29 January 1979, killing two adults and injuring eight children and one police officer. Spencer showed no remorse for her crime and her full explanation for her actions was “I don’t like Mondays. This livens up the day”.

“Cannot access the local WMI repository” go ya down?

First using ADSIedit.msc dig down into CN=Computers( or OU=Domain Controllers if you’re naughty), find the system and verify that Authenticated Users have read permission for CN=DFSR-LocalSettings.  If not give it to them.  

Then from the command prompt in %windir%System32wbem

mofcomp dfsrprovs.mof 

net stop winmgmt 

net start winmgmt 

net start iphlpsvc 

net stop dfsr 

net start dfsr

And for good measure go ahead for force a Group Policy Update(gpupdate /force)

After all this run another health report.  If this doesn’t help try the next google result.