Hi Guyz, am new here and I have a problem with my blender 2.78a It crash once I apply IK to the legs of the manuellab model so how can I fix that problem coz It dont even open that file anymore 
though that same file can be opened by previous versions(Tested)
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I see youāve also posted this in another thread. Iām leaving this one up for now, but please do not cross-post the same thing in multiple places.
did you finalize the model? things get messy if you dont finalize first. if you post a blend file, we could see if the console is printing an error.
Thought no one will heard me! 
though that wus not my intention to cross post for Grabbing attention purpose TO BE HEARD! :D, i HAD REAL trouble wit my blend and I wanted very fast solution so as I can move one with my Project _ Already have answered my doubt non of them have problems ( neither MANUEL LAB nor BLENDER 2.78a) It looks like I wus trying to do things which are in the future Plans of MANUEL LAB developers and and also it wus my Ignorance of the normal standard rig of the LABs models something like that not associated with scripts in blender_I think they are working on that issue , much info find the expert
LAST I Understand I wont cross post Again Thank you 