Gun screen can not attach?

[Xiaorong Liao]

Hi,

I'm editing file in emacs in screen.And It was blank suddently(I don't
know wheather I press some keys). Then I close putty.

I reopen putty want to attach the screen again, but what I got is
this(see picture below) just wait there.

I cant sure if it's a bug. Can I get it back.

Image at http://snag.gy/hURh2.jpg

I also post a question at
http://stackoverflow.com/questions/27543759/gnu-screen-dead-cant-attach





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