I've made a refresh after I've installed 10074...

Yes it was installed yesterday.

This morning, no problem with the start manu (quick view), but there is still the problem with cortona (doesn't appear, and after click, start menu also doesn't...

I have unistalled avast and pushbullet, the start menu appaer, but it isn't reactive, it takes few secondes to appear. And cortona still doesn't work

Also, the PC is very long to start, before the...

yes sorry, it's the french for "audio manager".

I've absolutly need of an antivirus and windows defender seems to bug

I'm going to make tests, I will come again after

Hello,

I've exactly the same problem.

Apply which start at begin are :
- adobe updater
- avast
- bittorrent
- gestionnaire audio
- one drive