Drop Down Menu inside a post

[محروم.كوم]

When Members try to pm another member from inside a post* they click there name and get this
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View Public profile
Send a private Message
Send an email
Find all post by "XXXXX"
Add this member to your contacts.

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The problem is that the drop down wont stay down* you click it it appears then disapears. Not long enough for a member to select there choice. I find that this is working on Safari MAC OSX just fine and "my Firefox". However not with I.E.
Any help please.
running Version 3.8.4 Patch level 1
It started after upgrade? __DEFINE_LIKE_SHARE__