I´m getting an error when I try to open "Windows Performance Analyzer", it seems to be something related with perfcore.dll

Aayush kamal 0 Reputation points
2025-08-12T06:58:28.29+00:00

I am trying to upgrade Windows Performance Analyzer on my system. The upgrade completes successfully, and I can see the updated version in Programs and PFx86. However, when I launch the application, I get an error stating "Unable to load perfcore.dll." When I checked the application directory, I found that the file is missing.

I tried reinstalling the application but encountered the same issue. I also tested this on a couple of machines and got the same error.

Windows development | Windows Performance Toolkit
0 comments No comments
{count} votes

Your answer

Answers can be marked as Accepted Answers by the question author, which helps users to know the answer solved the author's problem.