wordpress 403

I cant install any plugin on my site. Getting 403 error always. Tried disabling all plugins and renaming htdoc, but not working. https://screenrec.com/share/Aj5ZOhwuvq

Hi guys facing an error from the last 1hr, unable to access anything. why this error occurs any idea?? how it can be fixed??

Ok long story short, i allowed a domain to expire by accident, i realized this after i went to log in to the site, i got a 403 error. I renewed the domain etc. Everyone world wide can access the site no problem, my stats tell me this. But im still getting the 403 error - i figured it was a...