well support staff from vb.vom told me to come here and ask for help. after i upgraded to 3.7.5 i been gettign these errors, i disable ALL PLUGINS manually, even used the disable_hooks true; code on the config.php file and i still get the error when i use the quick reply box sometimes a box popsup to downlaod newreply.php file but mostly i get a junk of xml code on the browser here is a video of the issue
http://zonamusical.net/docs/vberror_demo/
any help?