Phone keeps crashing, as well as apps crashing since Nougat update

[BarKohba]

Ever since I updated my phone to Nougat, I constatly get "app x has crashed"  and the phone keeps hanging and then resetting every once in a while. I reinstalled the software using Xperia Companion Repair, but nothing, I'm getting the same issue. 

Anyone else experiencing this?

[TV82]

Same issue for me on my Z5 Compact. Repairing software, factory resets, nothing works.