Client doesn't boot anymore

Hi! Since today, my client doesn't boot anymore. If I launch the .exe it shortly shows the logo and after that, nothing happens. Deleted the whole game, reinstalled. After that it updated and I could play. Closed it, booted it again. Launcher said it was updating, then repairing. After that it again didn't boot anymore. Using Windows 10. Never seen it happen before in all the years I played. Any clue to what might cause this? EDIT: Running as admin fixed the problem. Thans Br0nnie!
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