Piwik 1.7.1 Display Problems

Hi,
I have a problem with my piwik 1.7.1 I have updatet and now I get a screen like css is not correctly loading(screenshot attached). I had yesterday reinstalled it also have deleted piwik and reuploaded it than it worked now I have the same problem.

I also deleted tmp/templates_c/* & also tmp/assets/* but no success.

Any other ideas?

Regards,
Mark

see faq Troubleshooting - Analytics Platform - Matomo