iTunes 12.2 keeps asking me to sign-in
Since I installed iTunes 12.2 on my MBP which runs on OSX 10.10.4 I keep being asked to sign in. If I click on "Account" iTunes actually shows that I'm signed in (I have the Sign-out option), but if I click i.e. on View Account I'm getting the Sign-in request again. I can't take any action without being asked to sign in.
I get the feeling that is is linked with a problem I have in Safari 8.0.7 : if I go to the appleid.apple.com page to verify my ID, it opens the US page, but I'm in Switzerland. When I change the country logo to Swiss-French and click on "Manage your Apple ID" I'm getting forwared back to the US page again. I tried to empty history and website data, but it didn't change anything.
The US page won't recognize my Apple-ID, but the FR-CH page does. If I connect with i.e. Firefox I can get to the FR-CH page and verify my ID (which btw is fine and confirmed).
So I think that both iTunes 12.2 and Safari are trying to verify my Apple-ID on the US server instead of the FR-CH server. The US Server won't recognize my Apple ID.
My MBA which still runs on OSX 10.9.5 and iTunes 12.1. let me sign in on iTunes.
MacBook Pro, OS X Yosemite (10.10.4), Safari 8.0.7 / iTunes 12.2