Remove or delete vi from memory

I am running a vi which will run ok the first time I run it but doesn't execute correctly subsequent times.  If I close the vi (return to labview startup screen) and reopen it, then it works again.  The vi in question uses labpython to run some python code.  It is not possible for me to change this code, which is where the underlying bug must be located.
Is it possible to remove or delete a vi from memory similar to closing vi and returning to labview start screen?  I know this isn't elegant and will be slow, but it seems my only option.
I am using Labview 2009 SP1
Cheers
Ian 
Solved!
Go to Solution.

Hi everybody,
Thanks for your help.
Problem solved.
I had an instance of the VI that I was trying to dynamically open hidden in a case structure, once removed it all works great.
I have attached a copy of vi for anybody else who may have similar issues.
Cheers
Ian
P.s. The Get vis in memory is a vi I found on the forum which is very useful.
Attachments:
dynamic opening.vi ‏19 KB
Get_VIs_in_Memory.vi ‏20 KB

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