From MemHT Wiki

Some MemHT Portal features can be used only if the site engine have write permissions in the following folders:
Note: MemHT will try to chmod these folders by itself in some cases

• Avatars

root/images/avatar/uploaded CHMOD 755

• Forum (Attachments)

root/pages/forum/attachment CHMOD 755

• Gallery

root/pages/gallery/gallery CHMOD 755

root/pages/gallery/gallery/thumb CHMOD 755

root/pages/gallery/images/categories CHMOD 755

• FCKeditor (File manager)

root/uploads/file CHMOD 755

root/uploads/flash CHMOD 755

root/uploads/image CHMOD 755

root/uploads/media CHMOD 755

• Templates

root/templates/NAME/compiled CHMOD 755

• Virtual pages

root/inc/installed/addons CHMOD 755

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