Too many redirects after update

Hi guys, I just tried to update Directory. First it did not work from the dashboard because it “could not delete the old version”. Then I downloaded it manually and tried to install it by uploading the zip file. Update failed. Then I uploaded the directory via FTP. That worked, but…When I try to open an existing listing, it gives me a 404 error. When I try to open the “Listings” page, it fails and says “Too many redirects occurring”.

My questions: Why can I still not auto-update? And: You provided me with a modified update-listing.php file last time which shows the payment options before a user can add a listing (and that worked fine). Can I use this file in the new version?

Please have a look what is going on, it seems that the new version causes a lot of errors.

Stephan