Odoo 11 database manager - nothing works

Question

I installed Odoo 11 fresh out of the box on windows and created an empty database. Now when I go to /web/database/manager, the page gets displayed normally but when I click anything like "Backup" or "Set Master Password" or literally anything else, nothing happens. So I opened the JavaScript console of the browser and it says:
Uncaught TypeError: Cannot read property 'getSelectorFromElement' of undefined
at HTMLButtonElement.<anonymous> (modal.js:587)
at HTMLDocument.dispatch (jquery.js:4641)
at

GastroDeliver GbR, Pascal Pausch · Accepted Answer

Thanks for your answers. I could solve it in the meantime.
I had V12 installed previously and used it in Chrome. It must have been a cashing issue because once I cleared the browser cache, everything worked also in Chrome.
Good one, I'm using Windows locally but Ubuntu on my Virtual Server. Thanks again!

Ermin Trevisan · Answer

It does work flawlessly when properly installed and all requirements are met as per installation documentation.
Please check your environment, the versions of Odoo and Chrome.
SCNR: If you want to trust your system, why are you using Windows then?

Hazem Mahmoud (Rising Systems AG) · Answer

I think the problem in the browser, I had the same issue before and I made virus scanning and used inconginito window in chrome and every thing worked fine
Do you have another version of odoo installed in the same machine?

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