[Plugin: W3 Total Cache] .htaccess cannot update it

I’ve just upgraded to the new version of w3 total cache, and I now have errors.

the enhanced disk cache, gives an error that it cannot update th htaccess file, but it is trying to change it in the wrong place /usr/local/apache/htdocs (which it does not have access to).

the same thing happens for browser cache, but I get 2 errors for it. One error is trying to update the htaccess in the restricted folder, the other is trying to update it in the “/” root ? folder?

You’ve enabled Browser Cache feature however the .htaccess file is not properly configured. Please run chmod 777 /usr/local/apache/htdocs

I have taken disk cache off enhanced, but still want to use browser, cache, any ideas what is wrong?

the only non standard thing I have is that I am on a temporary url (213.xxx.xxx.xxx/~mysite/). I have some other plugins, but I doubt this would affect it.