I have the same problem after i upgrad to 2.8
i cant login to my admin
this is what i get:
PHP Warning: file_exists() [function.file-exists]: open_basedir restriction in effect. File(D:\domains\myusername\mysite.com\wwwroot/wp-content/plugins/edit-tags.php?taxonomy=post_tag) is not within the allowed path(s): (D:\Domains\;C:\windows\temp\;) in D:\domains\myusername\mysite.com\wwwroot\wp-admin\menu-header.php on line 118
someone can help with this?