Problem after update

This is the problem:

https://oi61.tinypic.com/r70mmc.jpg

it seems that css cannot be loaded. Can you check style.css exists or not please?

As i said the problem is the 505 internal server error, i think it’s due to the change “to prevent the directory access”, or not?

https://oi61.tinypic.com/r70mmc.jpg

hmm. Can you remove the file which is /wp-plugins/wp-fastest-cache/.htaccess please?

Ok, Thanks Emre!

did it solve the problem?

Yes!

strange. .htaccess has just one rule which is “Options -Indexes”

I have added index.html files instead of .htaccess