Windows 10 perfmon cannot open a .blg file: 'The specified log file type has not been installed on this computer'

  • Thread starter Thread starter DaveRobAtSepura
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DaveRobAtSepura

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Trying to open a perfmon file created earlier in the day (and which had been opened successfully earlier in the day). I had used devcon to update a driver and since that point perfmon has been unable to open blg files. When I open a file by double-clicking on the file in explorer the perfmon window opens with no counters shown. If I then open a file by adding it as a data source the application responds with an error dialog:

'Data source <filename> is either invalid or cannot be found. System message: the specified log file type has not been installed on this computer.

I have tried rebooting and using lodctr to rebuild the counters.

PC is Win10 Enterprise 15063.15663

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