DXO will not open

DxO PhotoLab
21

Did you try running the repair option? I am surprised no one mentioned that. Don’t uninstall PL 7.8. Instead rerun the PhotoLab installation program and select the repair option. See below. This may not fix your problem but you should at least try it.

Mark

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22

If repair does not work, this link explain how to do a clean uninstallation and new installation of photolab :