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labview encounters a problem and close

I have this big huge project (about 50 subVis, a few shared variables, and custom controls), it's still under development, and was working total fine until I renamed most of the subVIs.  I open all the VIs in the project in memory, then use File-> Save As-> rename to rename them (I had to open them in memory, otherwise, the VI calling the renamed subVI won't change and continue to try to use the old filename).  When I was saving the project, LabVIEW crushed ("LabVIEW has encounter a problem and need to close...").  I reopen the project and some of the filenames in the project was not updated, so I renamed them again, and save the project, this time LabVIEW didn't crush.  Then when I run my main VI, it crushes ("LabVIEW has encounter a problem and need to close...") when the VI finishes running (I turned on Highlight Execution to make sure it runs to the very end).  I'm not sure if it was because I renamed the subVIs or not.  Does anyone have any idea?
 
** I deployed the project and ran the executable, and it does the same thing ("LabVIEW has encounter a problem and need to close...")
 
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**** LabVIEW also crushes when I try to save the main VI sometimes

Message Edited by Elsa Fung on 02-14-2006 02:18 PM

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nevermind...

I think it was because one of the subVI has a reference to the main VI, and even though that subVI was not used, it was still compiled when I run the main VI...

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