Pitapalenkus

Hello, Firstly, when I want to install some modpack it just stuck on 0%, but I can still click around and it reacts and launcher totally get stuck when I click on cancel installation. Secondly before this I had connection problems with servers, but i controlled my ping online and it was okey and i checked how fast I download and it was 7mb/s so the problem can't be with my internet and servers not too because I couldn't normally play any of them. Also my friend started having these problem at the same time as me. Any suggestions where the problem is ? Thanks for your replies...