Installation Issue: files not self-register

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I try to the 36.5.4. But I found the below error during installation. I click ok, and it is installed. I can read cases and run stability analysis. But as long as I load the .out file into the PSSE, the PSSE will crash. Anyone knows how to fix it?

The following files did not self-register or unregister: 1. C:\Projgram Files\PTI\PSSE\35.6\PSSBIN\TeeChart201764.ocx Error: 0*0