Uncaught ReferenceError: $ is not defined

After finishing installation process, I try to access the dashboard, I got this error : “Uncaught ReferenceError: $ is not defined”,
I thought it’s somekind of JQuery error or something, anyone?

Ok, getCoreJS returns failed, does that means anything?

Yes please check your web server error log, there will be an error there. Then look in FAQ for error message

I don’t see anything in web server error log.
And which FAQ?

Hi, I got the same JavaScript error. At the same time, no CSS styles were loaded.

This FAQ helped me out:
https://piwik.org/faq/troubleshooting/faq_135/

I simply had to disable my Adblocker.