See "log started on Sat Jun 27 14:42:06 2020" in the beggining.
Sorry, you are right, I was looking the build date of the program, not the log's date.
So, nothing has changed, your P3D4 registry keys are still wrong. Or, possibly, you still have FSX registry keys pointing to the P3D4 folder, which reinstalling just P3D won't fix.