tab control does not show up

[smercurio_fc]

It's not a video card problem. It's a corrupt control. Newer versions of LabVIEW are able to display it, but it's still messed up. Attached is the VI back-saved to 8.2 from 8.6 which managed to at least open it. You should:

• Move the controls in the tabs out of the tab.
• Delete the tab control.
• Create a new tab control.
• Move the controls back into the tabs.

What I would actually do is simply rewrite the VI. It's a horrendous mess. 

[elset191]

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What I would actually do is simply rewrite the VI. It's a horrendous mess. 

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Someone had to say it

[RavensFan]

Better yet.  I ran a block diagram cleanup on it.  It doesn't look quite as messy, but is still a mess.  I like how you have controls that are wired to local variables of the same control, not just once, BUT TWICE!  Really make sure that the value of the control can't change.