Cannot load Counter Name data because an invalid index -Exception

Although this has already been answered, I see people are repeatedly getting the same error that I did when trying to solve it. If when you run:

C:\windows\system32> lodctr /r

you get the error

Error: Unable to rebuild performance counter setting from system backup store, error code is 2

then you instead need to run

C:\windows\SysWOW64> lodctr /r

after which you should get

Info: Successfully rebuilt performance counter setting from system backup store

Note this has to be done as administrator. I found the solution here

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