issues

After upgrade I got error 403, when editing replies on threads or in direct messages. Same goes with uploading images. I'm wondering is this something to do my host or this version of XF. This isn't issue that occurs all the time, but very often. I have also changed recently php version to...

My index.php is forcing my site to say "yourdomain.com" index instead of saying "website name" or showing a picture of my website icon when i post in places such as skype. It also shows the Xenforo picture instead of my own icon or website picture. Does anyone know how to fix this? Should I...