The only similar problem/solution I've seen was posted in 2006 and isn't much help now, so I'm posting this in hopes of a new solution.
My co-worker is opening the curve editor and it is displaying something that looks like the dope sheet.
Switching between dope sheet and curve editor in the "Editor" drop-down changes the appearance slightly, but no curves appear.
The top and bottom row menu buttons don't even resemble the curve editor.
So far we've tried opening the curve editor from all the different short cuts (quads, 'graph editor' in toolbar, shortcut in toolbar)
Then we tried deleting the saved track views, and opening a new track view.
Finally we tried reseting the CUI.
The solution from 2006 stated that having a shortcut for "Edit Keys" and "Edit Function" solved the problem, but there appears to be no
"Edit Function" command anymore anyway. This strange problem isn't happening on my machine, and we'd like to not reinstall Max
It was happening in empty scenes too, so my co-worker had tried that and noted no change,
so I went and deleted every instance of the trackview.ini from his machine I could find with a search (including every language) and did a reboot just in case. And now an even stranger thing is occurring, the curve editor still looks like the dope sheet, and all the toolbar buttons are now floating, ALL of them.
Our next guess is to reinstall max completely.
I've been repeatedly having this problem for a while now in 2017 and 2011, currently every few hours with new and old scenes. My Track View regularly opens up with no toolbars and just the white menu bar, variously selecting layouts either does nothing/shows no toolbars, sometimes if I detach and close the Track View then open it, it works again for a while and quite often all of the layouts and toolbars disappear from the right-click list altogether, so I can't even manually reload whichever ones I want. Deleting Trackview.ini gives me zero layouts ,14 empty toolbars and no buttons at all (see attached), and re-configuring my Track View three times an hour from the default got boring very quickly...
Remember to substitute and , your Max version and ENU\en-us for whatever your localisation is, I expect as long as you use a like-for-like Trackview.ini as the basis (I was briefly in German - schließen??!) then the same method should work.
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