I have a blog in MT4.14
Sometimes, the user that registered with my blog, when they want to enter the comments, the comment box will sometimes disappeared. Its look weird. But it happen.
Anyone could explain to me what happen? Please …
Reported on Movable Type 4.1x

can you post a link please?
I have seen this myself... When I use a computer that I haven't logged into my site with, before my upgrade. I see the fields for putting all your info in flash on then vanish and all I get it the Sign in linky. Once I hit the linky I get a 500 Internal error page. If I open the page on the computer I use to edit the internals with(cgi-bin/mt) admin options, the comment field comes up fine and I can post to my own posts fine.
Need help on this